First you write the contents of the mydata list to the file, then you reposition the file pointer to the start of the file and read the contents.

首先，把mydata list的内容写入文件，然后把文件指针重新定位到文件开头，并读入内容。

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In this code, you start by declaring a file pointer to standard input so that you can get interactive information from the keyboard during the spell-check process.

在这段代码中，您首先要为标准输入声明一个文件指针，以便您能够在拼写检查过程中从键盘获得交互式信息。

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The rewind function "rewinds" the position of the file pointer to the beginning of the file.

函数的作用是：将文件指针的位置倒回到文件的开头。

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The rewind function "rewinds" the position of the file pointer to the beginning of the file.

函数的作用是：将文件指针的位置倒回到文件的开头。

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