安装pythonpip和pythondev时未满足的依赖项

如上所述，我尝试使用以下命令安装python pip和python dev：

sudo apt-get install python-pip python-dev

然后我得到：

sudo apt-get install python-pip python-dev
[sudo] password for tailongnguyen: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
python-dev : Depends: python (= 2.7.11-1) but 2.7.12-1 is to be installed
python-pip : Depends: python:any (< 2.8)
          Depends: python:any (>= 2.7.5-5~)
          Recommends: python-all-dev (>= 2.6) but it is not going to be installed
          Recommends: python-setuptools but it is not going to be installed
          Recommends: python-wheel but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

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但是它没有帮助查看此链接。这解决了这个问题，不过在修复这个问题后，我在apache2.2-common中遇到了类似的问题

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请参阅此链接。这解决了这个问题，不过在修复这个问题后，我在apache2.2-common中遇到了类似的问题

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try sudo apt get install-f我尝试过但错误仍然发生try sudo apt get install-f我尝试过但错误仍然发生

sudo apt-get update 
sudo apt-get upgrade