input: 
  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()
      Georgette Schwartz szulwinskigeorgette@example.org 32
      Alyssa Frazier alissa.frazier87@example.net 57
      Brandon Schaefer brandonschaefe@example.org 29
      Jodi Hunter jodi_hunter@example.com 19
      Kari Underwood kariunderwood0@example.net 51
      Tammy Martin msalletammymartin@example.com 57
      Kelly Davis kellydee5157@example.net 60
      Eric Wilson ewilson@example.net 49
      Jessica Lopez jessicajuarez@example.org 40
      Latoya Thomas lthomas@example.com 21
      """
      from faker import Faker
      fake = Faker()
      for _ in range(10):
          print(fake.name(), fake.email(), fake.random_int(min=18, max=60))
  
output:     from faker import Faker
      fake = Faker()
      for _ in range(10):
          print(fake.name(), fake.email(), fake.random_int(min=18, max=60))