Stuff you can do with Python Lists

How to list all files of a directory in Python

import glob
print(glob.glob("/home/adam/*.txt"))

Check if a list is empty in Python

a = []

if not a:
  print("List is empty")

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

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

#python #lists #function

Build a list using an iterator Python unfold function

def unfold(fn, seed):
  def fn_generator(val):
    while True: 
      val = fn(val[1])
      if val == False: break
      yield val[0]
  return [i for i in fn_generator([None, seed])]
  
  
EXAMPLES
f = lambda n: False if n > 50 else [-n, n + 10]
unfold(f, 10) # [-10, -20, -30, -40, -50]

Clone or copy a list in Python

newlist = old_list.copy()

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Stuff you can do with Python Lists

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How to list all files of a directory in Python Check if a list is empty in Python Getting the index of an item in a list containing it in Python Build a list using an iterator Python unfold function Clone or copy a list in Python

Use of Dictionary in Python

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