您的输入不正确,因为输入返回的是string类型,并且您正在使用int类型进行检查,因此请更改循环中的类型。而且,你不能使用
or
如果希望在其中一个情况为真时终止,则必须使用
and
.
print("This program simulates a 'rock paper scissor' game.")
print("The rules are as follows: rock beats scissor, paper beats rock, and scissor beats paper. \n")
print("This program simulates a 'rock paper scissor' game.")
print("The rules are as follows: rock beats scissor, paper beats rock, and scissor beats paper. \n")
#get user input
user_choice = input("Please choose from the following: \n"
" 1 for scissor \n"
" 2 for rock \n"
" 3 for paper. \n")
#validate input so user only enters 1, 2, or 3
while user_choice != '1' and user_choice != '2' and user_choice != '3':
user_choice = input("Please enter only '1' for scissor, '2' for rock, or '3' for paper: ")
#convert input to int
int_user_choice = int(user_choice)
