How python uses the Get () method to retrieve values in a dictionary

This article mainly introduces how python uses the Get () method to retrieve the values in the dictionary. It is very detailed and has a certain reference value. Interested friends must read it!

Retrieve the value in the dictionary with the Get () method

Typically, you can specify a key in square brackets to retrieve the value of the key. However, errors can occur when the key is not in the dictionary. Of course, you can also use the try/except exception handling mechanism to solve this problem. However, when the key is not in the dictionary, you can also set the default value through the get () method.

> number_dict = {0three' Zeroguo, 1: 'one', 2:' two', 3: 'three'} > number_dict [5] Traceback (most recent call last): File ", line 1 in KeyError: 5 > number_dict.get (5,' five') 'five' is all the contents of the article" how python uses the Get () method to retrieve values in the dictionary ". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!