How does python use get () to access dictionary values

This article mainly shows you "how python uses get () to access dictionary values". The content is simple and clear. I hope it can help you solve your doubts. Let me lead you to study and learn this article "how python uses get () to access dictionary values".

1. Generally, the key value in the access dictionary is used as the index reference value, but there will be problems. If the key value accessed is not in the dictionary, an error will occur.

2. The key-value pair can be accessed through get (). When the key-value pair does not exist, the default value will be returned, which can be specified.

Example

Age = {'Tom': 18,' Jerry': 12, 'Bob': 23} print (age.get (' Ann', 'not dictionary')) # specify the second parameter as the returned default value print (age.get ('Lucy')) # if it is not specified, all the contents of the article "python how to use get () to access dictionary values" will be returned. Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!