Custom array classes in python3.4 (that is, overriding array classes)

" "custom array classes to implement functions such as arithmetic, inner product operation, size comparison, array element access modification and member testing among the numbers in the array" "classMyArray:" "guaranteed input values are numeric elements (integer, float, plural)" "    def ___isnumber(self, n):if  notisinstance (n, (Int,float,complex)):returnFalsereturnTrue#constructor to perform the necessary initialization    def __init__(self,*args):if  notargs:self.__value= []        Else:             forArginchargs:if  notSelf.___isnumber(ARG):Print('All elements must is numbers')                    returnSelf .__value=list (args) @propertydefGetValue (self):returnSelf.__value    #destructors, releasing the list of internal wrappers    def __del__(self):delSelf.__value    #overloaded operator +    def __add__(self, Other):" "each element in the array is added to the number other, or two arrays are added to get a new array" "        ifSelf.___isnumber(Other):#the array is added to the numberb =MyArray () b.__value= [item + Other forIteminchSelf.__value]            returnbelifisinstance (other,myarray):#two array of corresponding elements added            if(Len (Other).__value) = = Len (self.__value)): C=MyArray () c.__value= [I+j forI,jinchZip (self.__value, other.__value)]                returnCElse:                Print('Lenght No equal')        Else:            Print('Not supported')    #Overloaded Operators-    def __sub__(self, Other):" "The array element is subtracted from the number other and a new array is obtained" "        Pass    #Overloaded Operators *    def __mul__(self, Other):" "The array element is multiplied with the number other, or two arrays, resulting in a new array" "        Pass    #overloaded array len, supports object directly using the Len () method    def __len__(self):returnLen (self.__value)    #support for viewing the value of an object using the print () function    def __str__(self):returnSTR (self.__value)if __name__=="__main__":    Print('Please use me as a module.') x= MyArray (1,12,15,14,1)    Print('%s\n Array lenghts:%d'%(X,len (x))) x= x+2Print(X.getvalue)

Custom array classes in python3.4 (that is, overriding array classes)