def encrypt_message(char):
    alphabets = "abcdefghijklmnopqrstuvwxyz"
    for char in alphabets:
        print(char)

print(encrypt_message("abc"))

def cleanup(list_of_strings):
    if " " in list_of_strings:
        list_of_strings.remove(" ")
        return " ".join(list_of_strings)

print(cleanup(["cat", "er", "pillar"]))
print(cleanup(["cat", " ", "er", "", "pillar"]))
print(cleanup(["", " ", ""]))