# demonstrate the str

def str_indexing_tricks():
    s = "abcde"
    print("test1: ", s[1:3:1])
    print("test2: ", s[3:1:-1])
    print("test3: ", s[5])

def get_mom():
    # write the code so that it can print "mom"

    s1 = "mommy"
    print(None)

    s2 = "zmomz"

    s3 = "ambocmdm"

    # pring "python"

    s1 = "nohtyp"

    s2 = "nohtyp001"

    s3 = "n_o_h_t_y_p_"

    print(s3[-2::-2])

# project: secrete code, use ascii table to encode and decode, use prefix to repeat

# "12mxoymz" => repeat 1: pick every 2 from "mxoymz", which is "mom"

# encode: pad with random chars



if __name__ == "__main__":
    get_mom()