How to add New key values in python Dictionary

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Dictionaries are dynamic structures and new elements can be added at any time. For example, add x and y coordinates of bullet to dictionary. print (bullet) You can see the coordinates of the bullet in the dictionary.

Note>>> is not code, representing the command line format in the Python interpreter, prompting for input.

examples

>>> bullet <$'bullet_x']=25>>> bullet <$'bullet_y']=45>>> print(bullet){'color': 'green','points': ' 5','bullet_x': 25, 'bullet_y': 45}>> What are the advantages of Python? 1. It is easy to use. Compared with traditional languages such as C/C++, Java, C#, Python has less strict requirements for code format;

Python is open source, the source code is accessible to all, and can be ported to many platforms.

Python is object-oriented and can support process-oriented programming as well as object-oriented programming;

Python is an interpreted language, Python programs do not need to be compiled into binary code, you can run programs directly from the source code;

Python is powerful, has a large number of modules, and can basically achieve all common functions.

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