input: from typing import Any
  
  def command_line_customer_search(name: str) -> Any:
      """ This function should be part of a command-line application that stores customer data.
      It allows a user to query customer data by name.
      >>> command_line_customer_search("John Doe")
      # Code for searching customer data by "John Doe" and printing results
      >>> command_line_customer_search("Jane Doe")
      # Code for searching customer data by "Jane Doe" and printing results
      """
      pass
output:     customers = {
          "John Doe": {"name": "John Doe", "age": 30, "email": "john.doe@example.com"},
          "Jane Doe": {"name": "Jane Doe", "age": 25, "email": "jane.doe@example.com"}
      }
      
      if name in customers:
          customer_info = customers[name]
          print(f"Name: {customer_info['name']}")
          print(f"Age: {customer_info['age']}")
          print(f"Email: {customer_info['email']}")
      else:
          print(f"Customer '{name}' not found.")