input: Write a python function to create a dictionary from a Customer object with keys as 'name', 'phone', 'email', and 'address'.
  assert create_customer_dict(Customer("John", "+123456789", "john@example.com", "456 Main Street")) == {"name": "John", "phone": "+123456789", "email": "john@example.com", "address": "456 Main Street"}
  assert create_customer_dict(Customer("Alice", "+987654321", "alice@example.com", "123 Elm Street")) == {"name": "Alice", "phone": "+987654321", "email": "alice@example.com", "address": "123 Elm Street"}
  assert create_customer_dict(Customer("Bob", "+192837465", "bob@example.com", "789 Oak Avenue")) == {"name": "Bob", "phone": "+192837465", "email": "bob@example.com", "address": "789 Oak Avenue"}
output: def create_customer_dict(customer):
      return {
          "name": customer.name,
          "phone": customer.phone,
          "email": customer.email,
          "address": customer.address
      }