# Fibonacci Series

Wed May 25 2022 12:53:12 GMT+0000 (UTC)

Saved by
@redpsych

# Function for nth fibonacci
# number - Dynamic Programming
# Taking 1st two fibonacci numbers as 0 and 1
FibArray = [0, 1]
def fibonacci(n):
# Check is n is less
# than 0
if n < 0:
print("Incorrect input")
# Check is n is less
# than len(FibArray)
elif n < len(FibArray):
return FibArray[n]
else:
FibArray.append(fibonacci(n - 1) + fibonacci(n - 2))
return FibArray[n]
# Driver Program
print(fibonacci(9))
# This code is contributed by Saket Modi

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