<p>我正在尝试将数据从父函数传递到子函数,但失败,请帮助</p>
<pre><code>>>> def funa():
a=10
b=20
funb()
>>> def funb():
c=a+b
print(c)
>>> funa()
Traceback (most recent call last):
File "<pyshell#32>", line 1, in <module>
funa()
File "<pyshell#27>", line 4, in funa
funb()
File "<pyshell#31>", line 2, in funb
c=a+b
NameError: name 'a' is not defined
>>>
</code></pre>