First Character of the Last String

# This function returns the first character of the last string in a list
# It also adds the condition that the list must not be an empty list
# Otherwise it returns None

def first_letter_of_last_string(list_of_strings):
    if len(list_of_strings) >= 1: # The length of the list must be greater than 0
        first_of_last = list_of_strings[-1][0]
        return first_of_last

print(first_letter_of_last_string(["Afeez", "Ishola", "Ganiyu"])) # G
print(first_letter_of_last_string(["Scholars Network"])) # S
print(first_letter_of_last_string(["cat", "dog", "zebra"])) # z
print(first_letter_of_last_string(["nonsense"])) # n
print(first_letter_of_last_string([])) # None