input: Write a python function to read non-comment lines from a script file.
  assert list(script_reader(["# This is a comment", "print('Hello, World!')", "", "# Another comment", "print('Goodbye, World!')"])) == ["print('Hello, World!')", "print('Goodbye, World!')"]
  assert list(script_reader(["# Comment", "", "# Another comment"])) == []
  assert list(script_reader(["print('Python')", "print('Programming')"])) == ["print('Python')", "print('Programming')"]
output: def script_reader(lines):
      for line in lines:
          stripped_line = line.strip()
          if stripped_line and not stripped_line.startswith('#'):
              yield stripped_line