分别对and和or尝试&和|或*和+.

Try & and | or * and +, respectively for and and or.

"and"和"or"比较整个对象的整体真实性，但是您需要元素级和的类似物.还有一些numpy函数logical_and和logical_or更明确.

"and" and "or" compares the whole truthiness of the whole object, but you want the analogue of element-wise and. There is are also numpy functions logical_and and logical_or to be more explicit.