Hel2o. Th3ese a2re some cha3ra3ct2ers.
Her3e ar2e so5me m2or3e2 ch3aracters.

Hello. Thhhese aare some chaaaraaactters.
Herrre arre sooooome mmorrree chhharacters.

def decode(user_file):
    file1 = open(user_file, 'r')
    file2 = open('test.txt', 'w')
    char = file1.read(1)
    while char:
        file2.write(char)
        char = file1.read(1)