input: Write a python function to parse contact info from a given string.
  assert parse_contact_info("John Doe, john@example.com, 123-456-7890") == ("John Doe", "john@example.com", "123-456-7890")
  assert parse_contact_info("Jane Smith, jane@example.com, 987-654-3210") == ("Jane Smith", "jane@example.com", "987-654-3210")
  assert parse_contact_info("Alice Johnson, alice@example.com, 555-555-5555") == ("Alice Johnson", "alice@example.com", "555-555-5555")
output: def parse_contact_info(contact_info):
      name, email, phone = map(str.strip, contact_info.split(','))
      return name, email, phone