How to find the fibonacci number using python?

Question

Python

Answer 1

Fibonacci numbers is simply adding of previous number into current one ,0+1=1,1+1=2,1+2=3,3+2=5,

Answer 2

https://code.sololearn.com/cgF6UMusxbxo/?ref=app

Answer 3

If you need the golden ratio, the number representing the limes of the Fibonacci sequence, it is of course (√5 + 1) / 2

So:
print((5**0.5 + 1) / 2)