CentOS/Redhat 部署：
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yum install -y zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel python-devel.x86_64
tar zxf /data/soft/Python-2.7.16.tgz
cd /data/soft/echo /data/soft/Python-2.7.16.tgz |awk 'BEGIN{FS="/"}''{print $NF}'| awk -F".tgz" '{print $NR}'
./configure --prefix=/usr/local/python2_7_16
make && make install
wget --no-check-certificat https://pypi.python.org/packages/source/s/setuptools/setuptools-2.0.tar.gz tar zxf setuptools-2.0.tar.gz cd setuptools-2.0 python setup.py install cd .. wget https://files.pythonhosted.org/packages/00/9e/4c83a0950d8bdec0b4ca72afd2f9cea92d08eb7c1a768363f2ea458d08b4/pip-19.2.3.tar.gz --no-check-certificate tar -xzvf pip-19.2.3.tar.gz cd pip-19.2.3 python setup.py install python -m pip install --upgrade pip ################################
1，所有python2文件开头加上 ：# -- coding: utf-8 - 2，手动输入数字：a=input('请输入：') 3，获取整数商：b=34//3 4，命名不要用python的内置函数，如：sum 5，python传入json的双引号，要用\放前面 6，python获取第一个传入参数：import sys a = sys.argv[1] 7，往命令行传入json：python python_test.py {"language":"Chinese"} 8，解析json：import json js = json.loads(a) print js['langage'] 9，构造json：import json python2json = {} listData = "test python obj 1 json" python2json["listData"] = listData python2json["strData"] = "test python obj 2 json" python3json=[] python3json.append(python2json) python3json.append(python2json) json_str = json.dumps(python3json) json_str = json_str.replace(" ", "") print json_str 10，JSON中，标准语法中，不支持单引号，属性或者属性值，都必须是双引号括起来的