Comment is a very important part in programing

Comments can tell you something does,and they also are used to disable parts of your program if you need remove them temporarily.

if you want comments in python,use'#'

     # In python,anything ignored after use '#'
     
     print "I want write this thing" #comment is ignored
     
     # print "這串不會執行"
     
     print "這會執行"
                    

Names and Variables

Variables is a thing to represent 'Something" in your code. Programmers use varibles to make code read more like English or other language.

     cake=50
     people=20
     tottal_cake_and_people = cake+people
     
     
     
     print "There have",cake,"cake to eat."
     print "We have",people," want to eat cake today."
     print "If everybody want to eat cake we need at least",tottal_cake_and_people,"cake"