Write a program in PYTHON, please include comments explaining, thank you!

a program that returns and prints a mimicdict (datype: dictionary) that maps each word to list of words which follow it.

def mimic_dict(filename):

"""Returns mimicdict mapping each word to list of words which followit."""

# +++your code+++

return

def print_mimic(mimic_dict, word):

"""Given mimic dict and start word, prints the 5 following words (if exits)."""

# +++your code+++

return