input: Write a python function to print "Hello World" a given number of times.
  assert print_hello_world(5) == ["Hello World", "Hello World", "Hello World", "Hello World", "Hello World"]
  assert print_hello_world(3) == ["Hello World", "Hello World", "Hello World"]
  assert print_hello_world(1) == ["Hello World"]
output: def print_hello_world(n):
      return ["Hello World"] * n