摘要：Ubuntu18.04默认内嵌python2、python3，pip安装时，python2对应安装pip,python3对应安装pip3. sudo apt install python3-pip 检查版本： pip3 -V pip 9.0.1 from /usr/lib/python3/dist- 阅读全文

摘要：file_path =(r'i:\vacpy\ch10\pi_digits.txt') #将文件路径存储在变量file_path中with open (file_path) as file_object: contents = file_object.read() print(contents)"" 阅读全文

摘要：active =Truewhile active: message =input("\nPlease input your name:\n") if message =='q': break print("welcome " + message + " come to our website!") 阅读全文