擅长:python、mysql、java
<p>你应该把它放在一个循环中,然后检查输入是否是个位数:</p>
<pre><code>user_inp = ""
while len(user_inp) < 10:
inp = raw_input("Enter a digit")
if len(inp) == 1 and inp.isdigit(): # check length and make sure a digit is entered
user_inp += inp
else:
print("Invalid input")
print("The numbers you have entered are: {}".format(user_inp))
</code></pre>