how to code monday as 0 to sunday as 6 in python code example

Example 1: how to use timeit in python 3

import timeit
import_module = "import random"
testcode = ''' 
def test(): 
    return random.randint(10, 100)
'''
print(timeit.repeat(stmt=testcode, setup=import_module))

Example 2: in python how to end the code after 10 input

incorrect = 0
max_tries = 3
choices = ['red', 'green', 'yellow']

while incorrect < max_tries:
    user_input = raw_input()
    if user_input not in choices:
        incorrect += 1
    else:
        rest_of_the_code(user_input)
        incorrect = 0

if incorrect == max_tries:
    sys.exit(1)