concat_last_first_name.py

def concat_last_first_name(first, last):
    full_name = f"{last}, {first}"

    return full_name



print(concat_last_first_name("First", "Last"))

print(concat_last_first_name("John", "Nelluri"))

print(concat_last_first_name("Trump", "Donald"))
print(concat_last_first_name("Mark", "Rutt"))
print(concat_last_first_name("Modi", "Narendra"))
print(concat_last_first_name("Elon", "Musk"))
print(concat_last_first_name("Bill", "Gates"))