convert between different units

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Thu Jan 19 2023 07:33:59 GMT+0000 (UTC)

Saved by @Shaghaf_2000 #python

# Task1
def main():
    #thisfunction will allow the user to choose which function to run:
    # 1. print options out:
    print("Options: ")
    print("Temperature = convert between two different temperature units")
    print("Length = convert between two different length units")
    print("Mass = convert between two different mass units")
    print("Area = convert between two different area units")
    option = input("Select an option or control C to exit the program: ")
    option=option.lower()
    # to allow user repeat:
    while True:
        # to allow user to quit:
        try: 

            if option == 'temperature':
                temperature_convert()
            elif option == 'length':
                length_convert()
            elif option == 'mass':
                mass_convert()
            elif option=='area':
                area_convrt()
            else:
                print('Invalid Inputs')
        except KeyboardInterrupt:
            print("\nExiting program\n")
        break


def temperature_convert():
    #temperature = ['Kelvin', 'Celsius','Fahrenheit', 'Rankine', 'Delisle']
    validUnit=['C', 'K', 'F', 'R','D']
    temperature = {'K':'Kelvin','C':'Celsius','F':'Fahrenheit','R':'Rankine',  'D':'Delisle'}
    # print(temperature)
    # print(validUnit)
    convertFrom = input("Enter unit to convert from (C = Celcius, K = Kelvin, F = Fahrenheit, R = Rankine, D = Delisle): ")
    converTo = input("Enter unit to convert to (C = Celcius, K = Kelvin, F = Fahrenheit, R = Rankine, D = Delisle): ")
    value = input("Enter temperature value to convert: ")
    while True:
        try:
            convertFrom = str(convertFrom)
            converTo = str(converTo)
            value = float(value)
            convertFrom = convertFrom.upper()
            converTo = converTo.upper()
            if convertFrom not in validUnit or converTo not in validUnit:
                print("Invalid Unit! ")
            else: 
                break
        except ValueError:
            print("Conversion faild")
        """
                # From Kelvin:
        if convertFrom == 'Kelvin' and converTo == 'Celsius':
            newValue = value-273.15
            print(f"Temperature converted from {temperature[0]}K to {temperature[1]}°C is {round(newValue,2)}°C")
        elif convertFrom == 'Kelvin' and converTo == 'Fahrenheit':
            newValue= (((value-273.15)**9)/5)+32
            print(f"Temperature converted from {temperature[0]}K to {temperature[2]}°F is {round(newValue,2)}°F")
        elif convertFrom == 'Kelvin' and converTo =='Rankine':
            newValue = (value*9)/5
            print(f"Temperature converted from {temperature[0]}K to {temperature[3]}°R is {round(newValue,2)}°R")
        elif convertFrom == 'Kelvin' and converTo =='Delisle':
            newValue = ((373.15 - value)*3)/2
            print(f"Temperature converted from {temperature[0]}K to {temperature[4]}°D is {round(newValue,2)}°D")


        # From Celsius 
        
        elif convertFrom =='Celsius' and converTo=='Kelvin':
            newValue= value+273.15
            print(f"Temperature converted from {temperature[1]}°C to {temperature[0]}K is {round(newValue,2)}K")
        elif convertFrom == 'Celsius' and converTo == 'Fahrenheit':
            newValue = (value*9/5)+3**2
            print(f"Temperature converted from {temperature[1]}°C to {temperature[2]}°F is {round(newValue,2)}°F")
        elif convertFrom == 'Celsius' and converTo =='Rankine':
            newValue = (value*9/5)+491.67
            print(f"Temperature converted from {temperature[1]}°C to {temperature[3]}°R is {round(newValue,2)}°R")
        elif convertFrom == 'Celsius' and converTo == temperature[4]:
            newValue = ((100-value)*3)/2
            print(f"Temperature converted from {temperature[1]}°C to {temperature[4]}°D  is {round(newValue,2)}°D ")
        
        # from Fahrenheit:
        elif convertFrom == temperature [2] and converTo =='Kelvin':
            newValue = (value+459.67)*5/9
            print(f"Temperature converted from {temperature[1]}°F to {temperature[0]}K  is {round(newValue,2)}K")
        elif convertFrom == temperature [2] and converTo =='Celsius':
            newValue = (value -32)*5/9
            print(f"Temperature converted from {temperature[1]}°F to {temperature[1]}°C  is {round(newValue,2)}°C ")
        elif convertFrom == temperature [2] and converTo =='Rankine':
            newValue = value + 459.67
            print(f"Temperature converted from {temperature[1]}°F to {temperature[3]}°R  is {round(newValue,2)}°R ")
        elif convertFrom == temperature [2] and converTo == 'Delisle':
            newValue = (212 -value) * 5/6
            print(f"Temperature converted from {temperature[1]}°F to {temperature[4]}°D  is {round(newValue,2)}°D ")
        
        # from Rankine (°R):
        elif convertFrom == 'Rankine' and converTo == 'Kelvin':
            newValue = value/1.8
            print(f"Temperature converted from {temperature[3]}°R to {temperature[0]}K  is {round(newValue,2)}K")
        elif convertFrom == 'Rankine' and converTo =='Celsius':
            newValue = (value-491.67)*5/9
            print(f"Temperature converted from {temperature[3]}°R to {temperature[1]}°C  is {round(newValue,2)}°C ")
        elif convertFrom == 'Rankine' and converTo =='Fahrenheit':
            newValue = value-459.67
            print(f"Temperature converted from {temperature[3]}°R to {temperature[2]}°F is {round(newValue,2)}°F ")
        elif convertFrom == 'Rankine' and converTo == 'Delisle':
            newValue = (value-491.67) * 0.83333
            print(f"Temperature converted from {temperature[3]}°R to {temperature[4]}°D  is {round(newValue,2)}°D ")
        
        # FROM D:
        elif convertFrom == 'Delisle' and converTo =='Kelvin':
            newValue = (373.15-value)*2/3
            print(f"Temperature converted from {temperature[4]}°D to {temperature[0]}K  is {round(newValue,2)}K")
        elif convertFrom == 'Delisle' and converTo == 'Celsius':
            newValue = (value+100)/1.5000
            print(f"Temperature converted from {temperature[4]}°D to {temperature[1]}°C  is {round(newValue,2)}°C ")
        elif convertFrom == 'Delisle' and converTo =='Fahrenheit':
            newValue = ((value+100)*1.2000)+32
            print(f"Temperature converted from {temperature[4]}°D to {temperature[2]}°F is {round(newValue,2)}°F ")
        elif convertFrom == 'Delisle' and converTo == 'Rankine':
            newValue = ((value+100)*1.2000 )+491.67
            print(f"Temperature converted from {temperature[4]}°D to {temperature[3]}°R  is {round(newValue,2)}°D ")
        else: 
            print("Invalid inputs. ")
        """

    # From Kelvin:
    if convertFrom == 'K' and converTo == 'C':
        newValue = value-273.15
        print(f"Temperature converted from ({temperature[convertFrom]}) K to ({temperature[converTo]}) °C is {round(newValue,2)}°C")
    elif convertFrom == 'K' and converTo == 'F':
        newValue= (((value-273.15)**9)/5)+32
        print(f"Temperature converted from ({temperature[convertFrom]}) K to ({temperature[converTo]}) °F is {round(newValue,2)}°F")
    elif convertFrom == 'K' and converTo =='R':
        newValue = (value*9)/5
        print(f"Temperature converted from ({temperature[convertFrom]}) K to ({temperature[converTo]}) °R is {round(newValue,2)}°R")
    elif convertFrom == 'K' and converTo =='D':
        newValue = ((373.15 - value)*3)/2
        print(f"Temperature converted from ({temperature[convertFrom]}) K to ({temperature[converTo]}) °D is {round(newValue,2)}°D")


    # From Celsius 
        
    elif convertFrom =='C' and converTo=='K':
        newValue= value+273.15
        print(f"Temperature converted from ({temperature[convertFrom]}) °C to {temperature[converTo]} K is {round(newValue,2)}K")
    elif convertFrom == 'C' and converTo == 'F':
        newValue = (value*9/5)+3**2
        print(f"Temperature converted from ({temperature[convertFrom]}) °C to ({temperature[converTo]}) °F is {round(newValue,2)}°F")
    elif convertFrom == 'C' and converTo =='R':
        newValue = (value*9/5)+491.67
        print(f"Temperature converted from ({temperature[convertFrom]}) °C to {temperature[converTo]}°R is {round(newValue,2)}°R")
    elif convertFrom == 'C' and converTo == 'D':
        newValue = ((100-value)*3)/2
        print(f"Temperature converted from ({temperature[convertFrom]}) °C to ({temperature[converTo]}) °D  is {round(newValue,2)}°D ")
        
    # from Fahrenheit:
    elif convertFrom == 'F'and converTo =='K':
        newValue = (value+459.67)*5/9
        print(f"Temperature converted from ({temperature[convertFrom]}) °F to ({temperature[converTo]}) K  is {round(newValue,2)}K")
    elif convertFrom == 'F' and converTo =='C':
        newValue = (value -32)*5/9
        print(f"Temperature converted from ({temperature[convertFrom]}) °F to ({temperature[converTo]}) °C  is {round(newValue,2)}°C ")
    elif convertFrom == 'F' and converTo =='R':
        newValue = value + 459.67
        print(f"Temperature converted from ({temperature[convertFrom]}) °F to ({temperature[converTo]}) °R  is {round(newValue,2)}°R ")
    elif convertFrom == 'F' and converTo == 'D':
        newValue = (212 -value) * 5/6
        print(f"Temperature converted from {temperature[convertFrom]} °F to {temperature[converTo]} °D  is {round(newValue,2)}°D ")
        
    # from Rankine (°R):
    elif convertFrom == 'R' and converTo == 'K':
        newValue = value/1.8
        print(f"Temperature converted from {temperature[convertFrom]} °R to {temperature[converTo]} K  is {round(newValue,2)}K")
    elif convertFrom == 'R' and converTo =='C':
        newValue = (value-491.67)*5/9
        print(f"Temperature converted from ({temperature[convertFrom]}) °R to ({temperature[converTo]}) °C  is {round(newValue,2)}°C ")
    elif convertFrom == 'R' and converTo =='F':
        newValue = value-459.67
        print(f"Temperature converted from ({temperature[convertFrom]}) °R to ({temperature[converTo]}) °F is {round(newValue,2)}°F ")
    elif convertFrom == 'R' and converTo == 'D':
        newValue = (value-491.67) * 0.83333
        print(f"Temperature converted from ({temperature[convertFrom]}) °R to ({temperature[converTo]}) °D  is {round(newValue,2)}°D ")
        
    # From D:
    elif convertFrom == 'D' and converTo =='K':
        newValue = (373.15-value)*2/3
        print(f"Temperature converted from ({temperature[convertFrom]}) °D to ({temperature[converTo]}) K  is {round(newValue,2)}K")
    elif convertFrom == 'D' and converTo == 'C':
        newValue = (value+100)/1.5000
        print(f"Temperature converted from ({temperature[convertFrom]}) °D to ({temperature[converTo]}) °C  is {round(newValue,2)}°C ")
    elif convertFrom == 'D' and converTo =='F':
        newValue = ((value+100)*1.2000)+32
        print(f"Temperature converted from ({temperature[convertFrom]}) °D to ({temperature[converTo]}) °F is {round(newValue,2)}°F ")
    elif convertFrom == 'D' and converTo == 'R':
        newValue = ((value+100)*1.2000 )+491.67
        print(f"Temperature converted from ({temperature[convertFrom]}) °D to ({temperature[converTo]}) °R  is {round(newValue,2)}°D ")
    else: 
        print("Invalid inputs. ")

#temperature_convert()
def length_convert():
    # Take user inputs: 
    value = input("Enter length value: ")
    convertFrom = input("Enter unit you want to convert from: ")
    converTo = input("Enter unit you want to convert to: ")
    # creat list that contains units:
    validUnits = ['m','in','ft','yd','mi','nm']
    # create a dictionary that has letters with their coressponding unit names:
    unitNames = {'m':'Metre',
    'in': 'Inch',
    'ft':'Feet',
    'yd': 'Yard',
    'mi':'Mile',
    'nm':'Nautical Mile'
    }
    converTo=converTo.lower()
    convertFrom=convertFrom.lower()

    # Validation:
    while True:
        try:
            value = float(value)
            if convertFrom not in validUnits or converTo not in validUnits:
                print("Unit Invalid. ")
            else:
                break

        except ValueError:
            print("Conversion faild")
    # Conver from meter:
    if convertFrom == 'm' and converTo == 'in':
        newvalue = value*39.3701
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} in. ")
    elif convertFrom == 'm' and converTo == 'ft':
        newvalue=value*3.28084
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} ft. ")
    elif convertFrom == 'm' and converTo == 'yd':
        newvalue=value*1.094
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} yd. ")
    elif convertFrom == 'm' and converTo == 'mi':
        newvalue=value/1609
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} mi. ")
    elif convertFrom == 'm' and converTo == 'nm':
        newvalue=value*0.000539957
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} nm. ")
    # convert from inch:
    if convertFrom == 'in' and converTo == 'm':
        newvalue = value/39.37
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} m. ")
    elif convertFrom == 'in' and converTo == 'ft':
        newvalue=value/12
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} ft. ")
    elif convertFrom == 'in' and converTo == 'yd':
        newvalue=value/36
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} yd. ")
    elif convertFrom == 'in' and converTo == 'mi':
        newvalue=value/63360
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} mi. ")
    elif convertFrom == 'in' and converTo == 'nm':
        newvalue=value/72910
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} nm. ")
    # convert from feet:
    if convertFrom == 'ft' and converTo == 'in':
        newvalue =value*12
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} in. ")
    elif convertFrom == 'ft' and converTo == 'm':
        newvalue=value/3.281
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} m. ")
    elif convertFrom == 'ft' and converTo == 'yd':
        newvalue=value/3
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} yd. ")
    elif convertFrom == 'ft' and converTo == 'mi':
        newvalue=value/5280
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} mi. ")
    elif convertFrom == 'ft' and converTo == 'nm':
        newvalue=value/6076
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} nm. ")
    # convert from Yard:
    if convertFrom == 'yd' and converTo == 'in':
        newvalue =value*36
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} in. ")
    elif convertFrom == 'yd' and converTo == 'm':
        newvalue=value/1.094
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} m. ")
    elif convertFrom == 'yd' and converTo == 'ft':
        newvalue=value*3
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} ft. ")
    elif convertFrom == 'yd' and converTo == 'mi':
        newvalue=value/1760
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} mi. ")
    elif convertFrom == 'yd' and converTo == 'nm':
        newvalue=value/2025
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} nm. ")
    # convert from Mile:
    if convertFrom == 'mi' and converTo == 'in':
        newvalue =value*63360
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} in. ")
    elif convertFrom == 'mi' and converTo == 'm':
        newvalue=value*1609
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} m. ")
    elif convertFrom == 'mi' and converTo == 'ft':
        newvalue=value*5280
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} ft. ")
    elif convertFrom == 'mi' and converTo == 'yd':
        newvalue=value*1760
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} yd. ")
    elif convertFrom == 'mi' and converTo == 'nm':
        newvalue=value/1.151
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} nm. ")
    # convert from Nautical Mile:
    if convertFrom == 'nm' and converTo == 'in':
        newvalue =value*72910
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} in. ")
    elif convertFrom == 'nm' and converTo == 'm':
        newvalue=value*1852
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} m. ")
    elif convertFrom == 'nm' and converTo == 'ft':
        newvalue=value*6076
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} ft. ")
    elif convertFrom == 'nm' and converTo == 'yd':
        newvalue=value*2025
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to ({unitNames[converTo]}) is {round(newvalue,2)} yd. ")
    elif convertFrom == 'nm' and converTo == 'mi':
        newvalue=value*1.151
        print(f"The length {value} converted from ({unitNames[convertFrom]}) to {round(newvalue,2)} mi. ")

#length_convert()
def mass_convert():
    # get user inputs:
    while True:
        try:

            value = input("Enter value of mass you want to convert: ")
            convertFrom = input("Enter unit you want to convert from (Kilogram (kg), Pound (lbs),Ounce (oz), Stone (st), Tons (t)): ")
            convertTo = input("Enter unit you want to convert to (Kilogram (kg), Pound (lbs),Ounce (oz), Stone (st), Tons (t)): ")
            validUnits =['kg', 'lbs', 'oz', 'st','t']
            unitNames = {
                'kg': 'Kilogram ', 
                'lbs': 'Pound ', 
                'oz': 'Ounce', 
                'st': 'Stone ',
                't':'Tons '
            }
            value = float(value)
            convertFrom=convertFrom.lower()
            convertTo=convertTo.lower()
            if convertFrom not in validUnits or convertTo not in validUnits:
                print("Invalid Units. ")
            else:
                break
        except ValueError:
            print("conversion faild")
    
    # convert from kg:
    if convertFrom == 'kg' and convertTo=='lbs':
        newvalue=value*2.205
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 'kg' and convertTo=='oz':
        newvalue=value*35.274
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 'kg' and convertTo=='st':
        newvalue=value/6.35
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 'kg' and convertTo=='t':
        newvalue=value/1000
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    # convert from pound:
    if convertFrom == 'lbs' and convertTo=='kg':
        newvalue=value/2.205
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 'lbs' and convertTo=='oz':
        newvalue=value*16
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 'lbs' and convertTo=='st':
        newvalue=value/14
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 'lbs' and convertTo=='t':
        newvalue=value/2205
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    # convert from Ounce:
    if convertFrom == 'oz' and convertTo=='kg':
        newvalue=value/35.274
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 'oz' and convertTo=='lbs':
        newvalue=value/16
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 'oz' and convertTo=='st':
        newvalue=value/224
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 'oz' and convertTo=='t':
        newvalue=value/35270
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    # convert from Stone:
    if convertFrom == 'st' and convertTo=='kg':
        newvalue=value*6.35
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 'st' and convertTo=='lbs':
        newvalue=value*14
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 'st' and convertTo=='oz':
        newvalue=value*224
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 'st' and convertTo=='t':
        newvalue=value/157.5
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')

    # convert from Tones:
    if convertFrom == 't' and convertTo=='kg':
        newvalue=value*1000
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 't' and convertTo=='lbs':
        newvalue=value*2205
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 't' and convertTo=='oz':
        newvalue=value*35270
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
    elif convertFrom == 't' and convertTo=='st':
        newvalue=value*157.5
        print(f'Mass {value} converted from {unitNames[convertFrom]} to {unitNames[convertTo]} is {round(newvalue,2)}')
#mass_convert()

def area_convrt():
    while True:
        value = input("Enter area: ")
        convertFrom = input("Enter unit you want to conver area from: ")
        convertTo = input("Enter unit you want to conver area from: ")
        validUnits= ['km2', 'm2', 'ha', 'ac','in^2','ft2','yd2']
        unitNames = {

        }
        try:
            value = float(value)
            if convertFrom not in validUnits or convertTo not in validUnits:
                print("Invalid unit")
            else:
                break
        except ValueError:
            print("Conversion faild")
    
#area_convrt()
main()

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    image_list.append(im)

python - Find out the percentage of missing values in each column in the given dataset - Stack Overflow

percent_missing = df.isnull().sum() * 100 / len(df)
missing_value_df = pd.DataFrame({'column_name': df.columns,
                                 'percent_missing': percent_missing})

#python #python #loops #whileloop

Print the name of 7 days in a week - by using while loop

days = 0
week = [‘Monday’, ‘Tuesday’, ‘Wednesday’, ‘Thursday’, ‘Friday’, ‘Saturday’, 3.‘Sunday’]
while day < 7:
print(“Today is” + week[days])
days += 1

Getting the index of an item in a list containing it in Python

>>> ["foo", "bar", "baz"].index("bar")
1

#python #python #strings #vowels #function

Get vowels in strings

This method gets vowels (‘a’, ‘e’, ‘i’, ‘o’, ‘u’) found in a string.
   
#make a function:
def get_vowels(string):

#return is the keyword which means function have to return value: 
 return [each for each in string if each in 'aeiou']


#assign the words and function will return vowels words.
get_vowels('foobar') # ['o', 'o', 'a']


get_vowels('gym') # []

How To Bypass Cloudflare Bot Protection In Selenium - CodingTutz

options = webdriver.ChromeOptions()
options.add_experimental_option("excludeSwitches", ["enable-automation"])
options.add_experimental_option('useAutomationExtension', False)
options.add_argument("--disable-blink-features=AutomationControlled")
driver = webdriver.Chrome(options=options)

Python Loop through Excel sheets, place into one df - Stack Overflow

import pandas as pd

sheets_dict = pd.read_excel('Book1.xlsx', sheetname=None)

full_table = pd.DataFrame()
for name, sheet in sheets_dict.items():
    sheet['sheet'] = name
    sheet = sheet.rename(columns=lambda x: x.split('\n')[-1])
    full_table = full_table.append(sheet)

full_table.reset_index(inplace=True, drop=True)

print full_table

Could not build wheels for tokenizers which use PEP 517 and cannot be installed directly

https://github.com/pydata/bottleneck/issues/281

#javascript #python #search #historicalcode #google #algorithms

Google’s PageRank Algorithm from 1996 - the origin of internet search

import numpy as np

def pagerank(M, num_iterations=100, d=0.85):
    N = M.shape[1]
    v = np.random.rand(N, 1)
    v = v / np.linalg.norm(v, 1)
    iteration = 0
    while iteration < num_iterations:
        iteration += 1
        v = d * np.matmul(M, v) + (1 - d) / N
    return v

#python #dates #functions #python3.8

How to parse a String into Datetime in Python

from datetime import datetime

datetime_object = datetime.strptime('Jun 1 2005  1:33PM', '%b %d %Y %I:%M%p')

python - Way to change Google Chrome user agent in Selenium? - Stack Overflow

from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from fake_useragent import UserAgent

options = Options()
ua = UserAgent()
userAgent = ua.random
print(userAgent)
options.add_argument(f'user-agent={userAgent}')
driver = webdriver.Chrome(chrome_options=options, executable_path=r'C:\WebDrivers\ChromeDriver\chromedriver_win32\chromedriver.exe')
driver.get("https://www.google.co.in")
driver.quit()

python - How to see the progress bar of read_csv - Stack Overflow

def read_csv_pgbar(csv_path, chunksize, usecols, dtype=object):


    # print('Getting row count of csv file')

    rows = sum(1 for _ in open(csv_path, 'r')) - 1 # minus the header
    # chunks = rows//chunksize + 1
    # print('Reading csv file')
    chunk_list = []

    with tqdm(total=rows, desc='Rows read: ') as bar:
        for chunk in pd.read_csv(csv_path, chunksize=chunksize, usecols=usecols, dtype=dtype):
            chunk_list.append(chunk)
            bar.update(len(chunk))

    df = pd.concat((f for f in chunk_list), axis=0)
    print('Finish reading csv file')

    return df

#python #python #lists #dictionary

Convert two lists into a dictionary

keys, values)) # {'a': 2, 'c': 4, 'b': 3}
 
 
#make a function: def is the keyword for the function:
def to_dictionary(keys, values):
 
 
#return is the keyword that tells program that function has to return value   
return dict(zip(keys, values))
 
  
 
# keys and values are the lists:
 
keys = ["a", "b", "c"]   
 
values = [2, 3, 4]

Convert string to Enum in Python - Stack Overflow

>>> from enum import Enum
>>> class Build(Enum):
...   debug = 200
...   build = 400
... 

Build['debug']

Raising errors in Python

my_list = [27, 5, 9, 6, 8]

def RemoveValue(myVal):
    if myVal not in my_list:
        raise ValueError("Value must be in the given list")
    else:
        my_list.remove(myVal)
    return my_list

print(RemoveValue(27))
print(RemoveValue(27))

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