r - Read - Default value. Opens a file for reading, error if the file does not exist, w - Write - Opens a file for writing, creates the file if it does not exist, x - Create - Creates the specified file, returns an error if the file exists, a - Append - Opens a file for appending, creates the file if it does not exist, t - Text - Default value. Text mode, b - Binary - Binary mode (e.g. images),

Python File Handling

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排行榜

视觉风格

选项

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恢复自动保存：？