Strip and replace functions

""" This function strip a string and replace some characters with
with another characters """
# The function is named fancy_cleanup and it accepts one argument
def fancy_cleanup(string):

# Stripping the string off unwanted whitespaces and also
# replace "g" with "z" and " " with "!"
    cleanup = string.strip().replace("g", "z").replace(" ", "!")

# Returning the formatted string
    return cleanup

# Function Invokation
print(fancy_cleanup("         geronimo crikey          "))
print(fancy_cleanup("         nonensense     "))
print(fancy_cleanup("grade"))