Python (14) class, method, object, instance

• Class: Simply a collection of functions in which you define a number of functions;
• Method: These are actually the functions you define.
• Object: In simple terms, it is a variable that has multiple attributes (or sub-variables).
• In the example below, Class Plus is a class, and the two functions nested within this class are called methods, but __init__ is only used to initialize the class, so it is not a method.
• and Get_result This function is a method.
• C1 and C2 are two instances, but they have a common attribute and template

Example of a class:

1 #!usr/bin/python2 #Coding=utf-83 classPlus:4     #Self is an object with two parameters inside the object self.a,self.b5     def __init__(self,a=0,b=0,c=0,d=0):6SELF.A =a7SELF.B =b8SELF.C =C9SELF.D =DTen     defGet_result (self): One         returnSELF.A +self.b A     defget_sum (self): -         returnself.b+SELF.D -  the  - if __name__=='__main__': -C1 = Plus (7,8)#C1 represents an example -RESULT1 = C1.get_result () +     Printresult1 # output results are   -C2 = Plus (0,4,5,9)#C2 is also an example +RESULT2 = C2.get_sum () A     PrintResult2# Output is the result of 

Python (14) class, method, object, instance