Can the keys of python dictionaries be the same?

The same key is not allowed to appear twice in python. If the same key is assigned twice during creation, the latter value will be remembered, as shown in the following example:

dict1 = {'Name': 'Runoob', 'Age': 7, 'Name': '小菜鸟'} print ("dict1['Name']: ", dict1['Name'])

If it is pycharm (community edition v3.4.4), pycharm will prompt: Dictionary contains duplicate keys 'Name' more...

actually prints the last value

Python's own idle will also print the last value A value

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