input: Write a python function to store customer information in a dictionary.
  assert store_customer_info('Jane Doe', '0987654321', 'California') == {'Jane Doe': {'phone_number': '0987654321', 'address': 'California'}}
  assert store_customer_info('Alice', '5555555555', 'Texas') == {'Alice': {'phone_number': '5555555555', 'address': 'Texas'}}
  assert store_customer_info('Bob', '4444444444', 'Florida') == {'Bob': {'phone_number': '4444444444', 'address': 'Florida'}}
output: def store_customer_info(name, phone_number, address):
      return {name: {'phone_number': phone_number, 'address': address}}