more examples this contains several examples of different topics which we learned in previous generalized attribute validation in this 'functions''@property''decoratorsand 'descriptorsare described alsothese techniques are used together in final example for attribute validation attribute validation is defined in section section function various features are provided in python for better usage of the function in this section'help featureand 'argument featureare added to functions help feature in listing anything which is written between quotation marks after the function declaration ( line - )will be displayed as the output of 'helpcommand as shown in line noteour aim is to write the function which adds the integers onlybut currently it is generating the output for the 'stringsas well as shown in line thereforewe need 'attribute validationso that inputs will be verified before performing the operations on them listing help feature addintex py line - will be displayedwhen help command is used for addintex as shown in line def addintex( , )'''add two variables (xy)xinteger yinteger returntypeinteger ''return ( + help(addintexline - will be displayed as output #adding numbersdesired result (continues on next page