擅长:python、mysql、java
<p>你错过了一件事,那就是如果我们必须通过一个需要添加*(星号)的函数传递可变长度参数(python中称为任意参数)</p>
<pre><code>def arfunc(x,*a): # here *a can hold argument that may vary in numbers.
sa=a[1]
return sa
b=arfunc(1.,*(5.,2.)) # here you also have to provide a arbitary arguments like this.
print(b)
</code></pre>
<p>为了更好地理解,请参考以下书面代码:</p>
^{pr2}$