input: Write a function to generate sample data for a web application using Python's faker library. The output should contain three columns of data: name, email, and age. The function should generate 10 rows of data and print them. The age should be a random integer between 18 and 60.
  
  from faker import Faker
  
  fake = Faker()
  
  def generate_sample_data():
      for _ in range(10):
          print(fake.name(), fake.email(), fake.random_int(min=18, max=60))
  
  assert generate_sample_data() is None
output: def generate_sample_data():
      for _ in range(10):
          print(fake.name(), fake.email(), fake.random_int(min=18, max=60))