擅长:python、mysql、java
<p>你在找<a href="https://docs.python.org/2/reference/compound_stmts.html#while" rel="nofollow noreferrer">^{<cd1>}</a>循环吗?在</p>
<p>我觉得这个网站解释得很好:<a href="http://www.tutorialspoint.com/python/python_while_loop.htm" rel="nofollow noreferrer">http://www.tutorialspoint.com/python/python_while_loop.htm</a></p>
<p><a href="http://www.tutorialspoint.com/python/python_while_loop.htm" rel="nofollow noreferrer"><img src="https://imgur.com/A65bUVS.jpg" alt=""/></a></p>
<pre><code>count = 0
while (count < 9):
print 'The count is:', count
count = count + 1
print "Good bye!"
</code></pre>
<p>→</p>
^{pr2}$