##put into shell to get to work

def string():
    sent= "tHis is AN ExaMPle."
    #captilizes
    sent.upper()
    #lower case
    sent.lower()

    #capitlize first letter
    sent.capitalize()

    ##cap first letter of every word
    sent.title()

    ##changes string
    ##changes orginal: sent=sent.title()
    ##did not mutate just changed it

