安装Miniconda
wget https://mirrors.tuna.tsinghua.edu.cn/anaconda/miniconda/Miniconda3-latest-Linux-x86_64.sh
Do you wish the installer to initialize Miniconda3 by running conda init? [yes|no] [no] >>> yes no change /home/lazy/miniconda3/condabin/conda no change /home/lazy/miniconda3/bin/conda no change /home/lazy/miniconda3/bin/conda-env no change /home/lazy/miniconda3/bin/activate no change /home/lazy/miniconda3/bin/deactivate no change /home/lazy/miniconda3/etc/profile.d/conda.sh no change /home/lazy/miniconda3/etc/fish/conf.d/conda.fish no change /home/lazy/miniconda3/shell/condabin/Conda.psm1 no change /home/lazy/miniconda3/shell/condabin/conda-hook.ps1 no change /home/lazy/miniconda3/lib/python3.8/site-packages/xontrib/conda.xsh no change /home/lazy/miniconda3/etc/profile.d/conda.csh modified /home/lazy/.bashrc ==> For changes to take effect, close and re-open your current shell. <== If you'd prefer that conda's base environment not be activated on startup, set the auto_activate_base parameter to false: conda config --set auto_activate_base false Thank you for installing Miniconda3!
tf环境
conda create -n tf-cpu python=3.8
下载2.3版本
pip install --upgrade --ignore-installed tensorflow
jupyter
enum
— 对枚举的支持
不可变对象:如 数字,元组,字符串;
可变对象:如 列表,字典。
Python函数值传递与引用传递
它们之间最本质的区别就是在进行参数传递以后改变形式参数的值不同。
在值传递中,不改变形式参数的值,而在引用传递中,形式参数的值是被改变的