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随机数 random： append: append() method only works for the addition of elements at the end of the List, for the addition of elements at the desired positi 阅读全文
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python3 -m pip install Django 验证安装成功 Creating a project django-admin startproject mysite This will create a mysite directory in your current directory 阅读全文
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pycharm 阅读全文
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input How the input function works in Python : When input() function executes program flow will be stopped until the user has given an input. The text 阅读全文
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apt install python3-pip -y pip3 --version pip install pymysql 阅读全文
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创建文件，并写入数据： append 数据 Passing ‘w’ to the open() method tells Python to open the file in write mode. In this mode, any data already in the file is lost 阅读全文
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close() function closes the file and frees the memory space acquired by that file. It is used at the time when the file is no longer needed or if it i 阅读全文