remove only digit from string python code example

Example 1: how to remove integer from string in python

>>> s = '12abcd405'
>>> result = ''.join([i for i in s if not i.isdigit()])
>>> result
'abcd'

Example 2: how to remove first letter of a string python

s = "hello"
print s[1:]

Example 3: python remove letters from string

string = "abc123"
# Method 1
''.join(char for char in string if char.isdigit())

#Method 2
import re
re.sub("[^0-9]", "", string)