import nbinteract as nbi
short_answer = nbi.short_answer(
    'What is 1+1?',
    answers='2',
    explanation='1+1 is 2'
)

short_answer
short_answer =  nbi.short_answer(
    'Enter the first name of a member of the Beatles:',
    ['John', 'Paul', 'George', 'Ringo']
)

short_answer
short_answer = nbi.short_answer(
    'Enter an even number:', 
    lambda x: int(x) % 2 == 0
)

short_answer