title: ValueError: need more than 1 value to unpack, split a line
body: <p>I have a file with questions and answers on the same line, I want to seperate them and append them to their own empty list but keep getting this error:<br>
  <code>builtins.ValueError: need more than 1 value to unpack</code></p>
  
  <pre><code>questions_list = []
  answers_list = []
  
  questions_file=open('qanda.txt','r')
  
  
  for line in questions_file:
      line=line.strip()
  
      questions,answers =line.split(':')
  
      questions_list.append(questions)
      answers_list.append(answers)
  </code></pre>