擅长:python、mysql、java
<p>我希望有帮助</p>
<pre><code>def validate(i):
try:
num = int(i)
except:
return False
return num > 0 and num <= 999
def strInput():
string = str(input("Please enter numbers from 1-999... "))
if validate(string):
return string
else:
return strInput()
strings = []
strings.append(strInput())
strings.append(strInput())
print (strings)
</code></pre>
<p>打印出来</p>
^{pr2}$