Function for nth Fibonacci number

In this tutorial, we are going to share a Function for nth Fibonacci number. If you are a python beginner and want to start learning the python programming, then keep your close attention in this tutorial as I am going to share a Function for nth Fibonacci number with the output.

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Function for nth Fibonacci number code

Copy the below python program and execute it with the help of python compiler.

def Fibonacci(n): 
    if n<0: 
        print("Incorrect input") 
    # First Fibonacci number is 0 
    elif n==1: 
        return 0
    # Second Fibonacci number is 1 
    elif n==2: 
        return 1
    else: 
        return Fibonacci(n-1)+Fibonacci(n-2) 
    
print(Fibonacci(9))

def Fibonacci(n):

if n<0:

print("Incorrect input")

# First Fibonacci number is 0

elif n==1:

return 0

# Second Fibonacci number is 1

elif n==2:

return 1

else:

return Fibonacci(n-1)+Fibonacci(n-2)

print(Fibonacci(9))

Output:

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Function for nth Fibonacci number

Function for nth Fibonacci number code

Output:

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