python fibonacci sequence generator

1def fib(num):
2    a = 0
3    b = 1
4    for i in range(num):
5        yield a
6        temp = a
7        a = b
8        b = temp + b
9
10
11for x in fib(100):
12    print(x)
13
14
15def fib2(num): # Creates fib numbers in a list
16    a = 0
17    b = 1
18    result = []
19    for i in range(num):
20        result.append(a)
21        temp = a
22        a = b
23        b = temp + b
24    return result
25
26
27print(fib2(100))
28

1number1 = 0
2print('1:', number1)
3number2 = 1
4for count in range(2, 101):
5  print(count, ':', number1 + number2)
6  number1 += number2
7  number2 = number1 - number2