pandas remove characters from string code example

Example 1: pandas remove char from column

df['result'] = df['result'].str.replace(r'\D', '')
df

    time result
1  09:00     52
2  10:00     62
3  11:00     44
4  12:00     30
5  13:00    110

Example 2: remove n characters from string python

example_string = "Hello there"

def remove_chars(n, string):
    list_of_chars_in_string = [char for char in string] 
    
    for num in range(n):
        list_of_chars_in_string.pop() # Removes last n characters in string
    
    new_string = ''.join(list_of_chars_in_string)
    return new_string