removing some characters from a string python code example

Example 1: delete certain characters from a string python

for char in line:
    if char in " ?.!/;:":
        line.replace(char,'')

Example 2: 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)

Example 3: python remove specific character from string

s="Hello$ Python3$"s1=s.replace("$","",1)print (s1)#Output:Hello Python3$