擅长:python、mysql、java
<p>你可以试试-</p>
<pre><code>def agecheck():
ans = input("\n Enter your age: ")
try:
age = int(ans)
if age >= 18:
print("You are the correct age.")
elif age < 18:
print("Get off this website.")
else:
print("Enter a correct integer.")
except ValueError:
print("That wasn't a number")
for i in range(3):
agecheck()
</code></pre>
<p>它运行三次,输入输入<code>4</code>、<code>20</code>和<code>"a"</code>,并注意日志</p>