python数字对应星期

Question

weeksrt = "一二三四五六七"
weekid = eval(input("请输入数字1到7):"))
print("星期"+weeksrt[weekid-1]) #为什么这样要-1

Answer 1

因为python中索引值是从0开始的，也就是“一”对应的是weeksrt[0]