input: def print_customer_data(name: str):
      """ Searches the customer data for the provided customer name and prints the results.
      If no data is found, prints "Customer not found."
      >>> print_customer_data("John Doe")
      Name: John Doe, Age: 34, Address: 123 Main St
      >>> print_customer_data("Jane Smith")
      Customer not found.
      """
      # Code for searching customer data by customer name and printing results
      ...
  
  # Main function for the customer search application
  if __name__ == "__main__":
      # Get command line arguments
      args = sys.argv
      
      if len(args) == 2:
          name = args[1]
          print_customer_data(name)
      else:
          print("Invalid arguments, please specify a customer name.")
output:     customer_data = {
          "John Doe": {"Age": 34, "Address": "123 Main St"},
          "Alice Johnson": {"Age": 28, "Address": "456 Elm St"},
          "Bob Brown": {"Age": 45, "Address": "789 Oak St"}
      }
      
      if name in customer_data:
          data = customer_data[name]
          print(f"Name: {name}, Age: {data['Age']}, Address: {data['Address']}")
      else:
          print("Customer not found.")