擅长:python、mysql、java
<p><code>itertools.chain</code>是您要查找的函数</p>
<pre><code>import itertools
def funA():
for x in range(10):
yield x
def funB():
for x in range(10,20):
yield x
def funC():
for x in range(20,30):
yield x
def funs():
for x in itertools.chain(funA(), funB(), funC()):
yield x
print [x for x in funs()]
</code></pre>
<p>输出:</p>
^{pr2}$