input: from faker import Faker
  
  
  def generate_sample_data() -> None:
      """Generate sample data for a web application using Python's faker library.
      The output should contain three columns of data: name, email, and age.
      >>> generate_sample_data()
      Lindsey Ellmaker clifford_robertson@example.com 43
      Sheryl Dougherty tyree@example.org 57
      Peggy Turner tina.legros@example.org 22
      Dolores Petties debra.eder@example.net 31
      Oscar Pratt jileen@example.org 36
      Steve Sandoval jasmyne.denesik@example.net 52
      Glenn Yang ismael16@example.org 30
      Ruth Aronhalt frederick@example.net 35
      Florine Black roderick.king@example.com 20
      Richard Simpson melanie@example.net 48
      """
      fake = Faker()
      for _ in range(10):
          print(fake.name(), fake.email(), fake.random_int(min=18, max=60))
output:     fake = Faker()
      for _ in range(10):
          print(fake.name(), fake.email(), fake.random_int(min=18, max=60))