How can I keep asking user for correct input until given?

2017 4 13
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更新时间：2017 4 13
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I want a question to continue to be prompted until correct input is given. Prompt the user to input a number between 0 and 100 (inclusive) and keep prompting the user until he does so and then display the number. I am a little lost as to hopw to start it. I have this so far
num = int(raw_input('Enter an integer between 0 and 100 '))
if num < 0 && num > 100;
fprintf 'Invalid input. Try again '
else:
num >= 0 && num <= 100;
disp (num)

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 采纳的回答

KSSV
KSSV 2017-4-13

3 个投票

prompt = 'Enter an integer between 0 and 100: ';
x = input(prompt) ;
while x <0 || x > 100
x = input(prompt) ;
end

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