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python prgram for matrix addition (user based input )without using numpy or array

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Tue Mar 13 14:25:56 2018

@author: beast
Note this program is for holding int value to list only """
def addmatrix():
    matrixA=list() # intialize matrix as empty list
    matrixB=list() #intialize matrix as empty 
    matrixS=list() #store the sum 
    
    try:
        row,col=[int(j) for j in (input("Enter the row and col ").split())]
        print(row,col)
        inp=""
    except ValueError:
            print("Please Enter row and col seperated by space eg: 2 2") 
            inmatrix()
    
    for i in range(row):
        for j in range(col):
                inp+=((input("Enter the number for matrix A[%d][%d}--->"%(i,j)))+",")
        try:
            lst=[int(a) for a in inp.split(",") if a!=""]#delete int for making it to hold any data 
            # create a list using input row string 
            matrixA.append(lst) #add the row wise data 
            inp="" #after eacch row input reset inp to get next input 
        except ValueError:
            print("please Enter Integer Only as list input\n\a------ Restarting ---\n")
            addmatrix()
       
            
#        """now matrix B input ----"""
    print("\n____________________\n")
    for k in range(row):
        for l in range(col):
                inp+=(input("Enter the number for matrix B[%d][%d}--->"%(k,l))+",")
        try:
            lst=[int(a) for a in inp.split(",") if a!=""]#delete int for making it to hold any data 
            # create a list using input row string 
            matrixB.append(lst) #add the row wise data 
            inp="" #after eacch row input reset inp to get next input 
        except ValueError:
            print("please Enter Integer Only as list input\n\a------ Restarting ---\n")
            addmatrix()
    print("\n------------\nmatrix A-->\n",matrixA) 
    print("\nmatrix B-->\n",matrixB) 
        
    for m in range(row):
        temp=list()
        for n in range(col):
             temp.append(matrixA[m][n]+matrixB[m][n])
          
        matrixS.append(temp) # add the result rowwise as a list 
    print("\n-----------result----------\n")
    
#    print(matrixS)        
    return matrixS
    

    
if __name__=="__main__":
    try:
        print(addmatrix())   
    except Exception:
        print("please Give Correct Input\n")
        addmatrix()

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