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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def happybirthday(person):
 """ Sing Happy Birthday """

    print('Happy Birthday To You')
    time.sleep(2)
    print('Happy Birthday To You')
    time.sleep(2)
    print('Happy Birthday Dear ' + str(person[0].upper()) + str(person[1:]))
    time.sleep(2)
    print('Happy Birthday To You')