To run the statements in this file, you need to start a Python interpreter and tell it to read and process the contents of the file.
要运行本文件中的语句,您需要启动一个Python解释器,并让它去读取和处理文件的内容。
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When you type them into the Python interpreter (or if you save them in a file and execute them as a Python program), the statements are read starting on the left side and progressing to the right.