input: Write a python function to create an instance of the Customer class and call its display_info method.
  assert create_and_display_customer('John Doe', '123 Elm St', '555-1234', 'john.doe@example.com') == 'Name: John Doe\nAddress: 123 Elm St\nPhone Number: 555-1234\nEmail: john.doe@example.com'
  assert create_and_display_customer('Jane Smith', '456 Maple Ave', '555-5678', 'jane.smith@example.com') == 'Name: Jane Smith\nAddress: 456 Maple Ave\nPhone Number: 555-5678\nEmail: jane.smith@example.com'
  assert create_and_display_customer('Alice Brown', '789 Oak Dr', '555-9101', 'alice.brown@example.com') == 'Name: Alice Brown\nAddress: 789 Oak Dr\nPhone Number: 555-9101\nEmail: alice.brown@example.com'
output: class Customer:
      def __init__(self, name, address, phone_number, email):
          self.name = name
          self.address = address
          self.phone_number = phone_number
          self.email = email
          
      def display_info(self):
          return f"Name: {self.name}\nAddress: {self.address}\nPhone Number: {self.phone_number}\nEmail: {self.email}"
  
  def create_and_display_customer(name, address, phone_number, email):
      customer = Customer(name, address, phone_number, email)
      return customer.display_info()