import os

# chunk
import math


def foo():
    print("Bar")
    for number in range(1, 100):
        root = math.sqrt(number)
        if abs(int(root) - root < 0.1):
            print(f"{number} is almost square")


# chunk_end


def fibonacci(n):
    a, b = 1, 1
    for _ in range(n):
        a, b = b, a + b
    return a