input: Write a python function to extract the name and phone number from a given string.
  assert extract_name_phone("John Doe: (+1) 555-665-8877") == {'name': 'John Doe', 'phone': '(+1) 555-665-8877'}
  assert extract_name_phone("Jane Smith: (123) 456-7890") == {'name': 'Jane Smith', 'phone': '(123) 456-7890'}
  assert extract_name_phone("Alice: 987-654-3210") == {'name': 'Alice', 'phone': '987-654-3210'}
output: def extract_name_phone(text):
      name, phone = text.split(": ", 1)
      return {'name': name, 'phone': phone}