input: Write a function to clean up a list of emails and put them into a new list. Remove any text after the '+' character and remove '.uk'. The function should return the cleaned list of emails.
  original_list = ['bob@example.com', 'alice+bob@cafe.com', 'bob@gmail.com.uk', 'bob+alice@example']
  clean_list = ['bob@example.com', 'alice@cafe.com', 'bob@gmail.com', 'bob@example']
  
  assert clean_emails(['bob@example.com', 'alice+bob@cafe.com', 'bob@gmail.com.uk', 'bob+alice@example'])==['bob@example.com', 'alice@cafe.com', 'bob@gmail.com', 'bob@example']
output: def clean_emails(emails):
      cleaned_list = []
      for email in emails:
          if '+' in email:
              email = email.split('+')[0]
          if '.uk' in email:
              email = email.replace('.uk', '')
          cleaned_list.append(email)
      return cleaned_list