1_1.py

import time
from turtledemo.penrose import start

num1 = 0
num2 = 1
next_number = num2


def fibonacci(n):
    global next_number, num2, num1
    count = 1
    while count <= n:
        #print(next_number, end=" ")
        #print("\n")
        count += 1
        num1, num2 = num2, next_number
        next_number = num1 + num2



def main():
    startTime=time.time()
    fibonacci(int(input("How many numbers?")))
    endTime=time.time()
    print("Done in only ",endTime-startTime," seconds!")

if __name__ == "__main__":
    main()