Life is always full of disappointments. After being in a slump for a long time, Charlie decided to commit suicide to end his pain. Unexpectedly, his mother appeared, and he spent a day with her. This

Install Python 3.xIn CentOS, There is no Python3 rpm package in EPEL, RPMFusion, we must install Python 3.x by source. Download Python 3.4.0, and extract it. 123wget https://www.python.org/ftp/python/