make string represent integer python code example

Example 1: python convert string to integer in base

int(x, base=10)
>>> int('s',base=29)
28

Example 2: how to get a int from string python

import re
s = "12 hello 52 19 some random 15 number"
# Extract numbers and cast them to int
list_of_nums = map(int, re.findall('\d+', s))
print list_of_nums