# A basic example of recursion.

# Prints a "word sandwich," which is
# a word with lines of === above/below it.
def word_sandwich(word, n):
    if n == 0:
        print(word)
    else:
        print("=" * len(word))
        word_sandwich(word, n - 1)
        print("=" * len(word))

def main():
    word_sandwich("Python", 3)

main()