remove characters in text python code example

Example 1: delete certain characters from a string python

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

Example 2: how to remove all characters from a string in python

s = 'abc12321cba'

print(s.replace('a', ''))

Example 3: how to delete specific char in string python

a_string = a_string.replace("d", "")