Instructions
Ask a small girl - "How old are you?". She always says strange things... Lets help her!
For correct answer program should return int from 0 to 9.
Assume test input string always valid and may look like "1 year old" or "5 years old", etc.. The first char is number only.
def get_age(age):
pass
def get_age(age):
return int("".join([i for i in age if i.isdigit()]))