摘要： • + plus 加号 • - minus 减号 • / slash 斜杠 • * asterisk 星号 • % percent 百分号 • < less-than 小于号 • > greater-than 大于号 • <= less-than-equal 小于等于号 • >= greater-t 阅读全文

摘要： #号的使用，注释单行# A comment ,this is so you can read your program later.# Anything aftre the # is ignored by python .print ("I could have code like this.")# 阅读全文

摘要： 文件名为ex1.pyprint('hello world')print('hello agin')print('I like typing this')print ("This is fun.")print ('Yay! printing')print ("I'd much rather you ' 阅读全文