This is a pretty cool code except for raw_input isn't receiving too much input i want to receive input like 5000 chars help any ideas please quick
import re
test_cases = int(raw_input(""))
input_lens = raw_input("")
i = 0
for i in range(0,test_cases+1):
user_input = raw_input("")
user_input = re.findall("\d*",user_input)
count = 0
for item in user_input:
if item.isdigit():
count += 1
print count
i += 1