What can the Python keys function do? Example parsing

Because a lot of people don't know what the built-in functions are in the dictionary? What's the effect? So in this article I'm going to introduce you to the Python keys function in the Python dictionary, what the keys function means, and what the function will do in the next article.

First of all, what can we do with this function?

Keys function

The Python dictionary (Dictionary) keys () function returns a dictionary of all keys in a list.

Grammar

Keys () method syntax:

Dict.keys ()

Parameters

NA.

return value

Returns all keys for a dictionary.

Keys function Instance

The following example shows how the keys () function is used:

#!/usr/bin/pythondict = {' Name ': ' Zara ', ' age ': 7}print ' Value:%s '%  Dict.keys ()

The results of the above example output are as follows:

Value: [' Age ', ' Name ']