我想要一个这样的列表:[x_11, x_12, x_21, x_22]
。但是我的代码错了。我的问题在哪里?
我的代码:
['x_%d%d' % (i+1, k+1) for i in range(2) and k in range(2)]
这就是我所拥有的:
NameError Traceback (most recent call last)
<ipython-input-26-94577fad9179> in <module>
----> 1 ['x_%d%d' % (i+1, k+1) for i in range(2) and k in range(2)]
NameError: name 'k' is not defined