Python array filter function example

The filter function is used to implement a filter function. the following sample code uses the filter function to implement a filter function.

For example, to filter out a sensitive word in a string array, the sample code is as follows:

# Filter out some unwanted tags def passed (item): try: return item! = "Techbrood" # can be more a complicated condition here when T ValueError: return False org_words = [["this", "is"], ["demo", "from"], ["techbrood"] words = [filter (passed, item) for item in org_words]

Note that Python2.x and Python3.x are not compatible with filter/map processing. in Python2.x, a list is directly returned.

Returns an iterable object in Python3.x, such , The string of numbers below is the object reference address.

You can use list (words) conversion.