input: from typing import List
  
  
  def generate_sample_data(num_entries: int) -> List[tuple]:
      """ Generate sample data using Python's faker library. The output should contain three 
      columns of data: name, email, and age. The age is randomly generated between 18 and 60.
      >>> generate_sample_data(2)
      [('David Brown', 'david.brown@example.com', 25), ('Lisa Jones', 'lisa.j@example.org', 42)]
      """
      from faker import Faker
      fake = Faker()
      return [(fake.name(), fake.email(), fake.random_int(min=18, max=60)) for _ in range(num_entries)]
output:     from faker import Faker
      fake = Faker()
      return [(fake.name(), fake.email(), fake.random_int(min=18, max=60)) for _ in range(num_entries)]