已采纳回答 / 橙恤猿
fn()只是输出了12345 并没有return(1,2,3,4,5) sum函数获得的是nulldef fn(*args): return argsprint(sum(fn(1,2,3,4,5)))这样才行
2017-03-16
L = ['Adam', 'Lisa', 'Bart']
L[0]='Bart1'
L[2]='Adam'
L[0]='Bart'
print L
L[0]='Bart1'
L[2]='Adam'
L[0]='Bart'
print L
2017-03-16
L = ['Adam', 'Lisa', 'Paul', 'Bart']
L.pop()
L.pop()
print L
L.pop()
L.pop()
print L
2017-03-16
s = 'Python was started in 1989 by "Guido".\nPython is free and easy to learn.'
print s
print s
2017-03-16