問題描述：ubuntu安裝ipython時在終端輸入命令sudo apt install ipython安裝失敗
以下是提示內容
ipython:Depends:python-ipython(=5.5.0-1) but it is not going to be installed
libqt3-mt:Depends:libpng12-0(>=1.2.13-4) but it is not going to be installed.
解決方案
在終端輸入命令：sudo apt --fix-broken install