input: from typing import List, Tuple
  from faker import Faker
  
  def generate_sample_data(num_entries: int) -> List[Tuple[str, str, int]]:
      """ 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(2) 
      [('Victoria Rodriguez', 'brittney42@example.net', 34), ('Jeff Burton', 'longdenise@example.com', 27)]
      """
      fake = Faker()
      data = [(fake.name(), fake.email(), fake.random_int(min=18, max=60)) for _ in range(num_entries)]
      return data
output:     fake = Faker()
      data = [(fake.name(), fake.email(), fake.random_int(min=18, max=60)) for _ in range(num_entries)]
      return data