fibonacci series in python w3schools code example

Example 1: python fibonacci sequence generator

number1 = 0
print('1:', number1)
number2 = 1
for count in range(2, 101):
  print(count, ':', number1 + number2)
  number1 += number2
  number2 = number1 - number2

Example 2: fibonacci series in python

~~ This is the best Fibonacci sequence generator as you have all the option that 
till what number should this go on for ~~
  
a = 0
b = 1
f = 1
n = int(input("Till what number would you like to see the fibonacci sequence: "))
while b <= n:
    f = a+b
    a = b
    b = f
    print(a)