Python-dev Installation Errors

/******************************************************************** * Python-dev Installation Error * Description: * present This error occurred while installing Python-related development tools. * 2016-8-15 Shenzhen Nanshan Ping Shan village Zengjianfeng ************************************************************** *****/A. Reference documentation:1. Can'T Install Python-devhttp//Askubuntu.com/questions/749552/cant-install-python-devtwo. Error phenomenon: [email protected]:/home# apt-GetInstall python-Dev Reading Package lists ... Done Building Dependency Tree Reading state information ... Done Some packages could is installed. This may mean the requested an impossible situation orifYou areusingThe unstable distribution that some required packages has not yet been created or been moved outof Incoming. The following information to resolve the situation:the following packages has unmet Dependencies:python -dev:depends:libpython-dev (=2.7.9-1) but it isNot going to be installed Depends:python2.7-dev (>=2.7.9-1~) But it isNot going to is installed e:unable to correct problems and you have held broken packages. Three. Workaround:1. cat/etc/apt/sources.list. Deb http://Cz.archive.ubuntu.com/ubuntu Wily main        ......    2. sudo apt-GetUpdate3. apt-GetInstall Python-dev

Python-dev Installation Errors