input: from typing import List
  
  def print_customer_data(name: str) -> None:
      """Searches customer data by customer name and prints results.
      >>> print_customer_data('Alice')
      Customer found: Alice, Age: 30, Email: alice@example.com
      >>> print_customer_data('Bob')
      Customer found: Bob, Age: 25, Email: bob@example.com
      >>> print_customer_data('Charlie')
      Customer not found.
      """
output:     customer_data = {
          'Alice': {'age': 30, 'email': 'alice@example.com'},
          'Bob': {'age': 25, 'email': 'bob@example.com'}
      }
      
      if name in customer_data:
          customer = customer_data[name]
          print(f"Customer found: {name}, Age: {customer['age']}, Email: {customer['email']}")
      else:
          print("Customer not found.")