get help with python free code example

Example 1: python

# a comment
myVar = 5
avar = 53
tr = 13 # vars

while True:
  #code for while true loop

Example 2: python

n = int(input('Type a number, and its factorial will be printed: '))

if n < 0:
    raise ValueError('You must enter a non negative integer')

fact = 1

for i in range(2, n + 1):
    fact *= i

print(fact)