Big Fib

#!/usr/bin/python
def main():
    n = 150000
    fibonacci(n)

def fibonacci(n):
    a, b = 1, 1
    for i in range(0, n):
        if i == 149999:
            print i, "  -  ", a, "\n"
        a, b = b, a+b

if __name__ == '__main__':
    main()