电影院的座位表里,空座位是空字符串 "",有时候还会是几个空格 " "。写 taken_seats(seats),返回有人的座位上的名字(去掉名字两边的空格),顺序不变。
taken_seats(["Lily", "", "Max", ""])→['Lily', 'Max']taken_seats([" ", " Ivy ", ""])→['Ivy']taken_seats(["", ""])→[]def taken_seats(seats):
names = []
for seat in seats:
name = seat.strip()
# 在这里写:name 不是空的,就放进 names
pass
return names
写好了先点「运行」试试示例,没问题再点「提交」。