擅长:python、mysql、java
<p>使用<code>while</code>循环:</p>
<pre><code>def get_mode():
mode=raw_input('Welcome to Learning Helpmate BETA. Select mode, insert number of wanted mode: \n 1.mode \n 2.mode \n 3.mode\n')
return mode
while True:
mode=get_mode()
if mode == '1':
print 'Welcome to mode 1'
elif mode == '2':
print 'Welcome to mode 2'
elif mode == '3':
print 'Welcome to mode 3'
else:
break
</code></pre>