matris 3*3

matrix.py

import random

def jam():
    global array
    sum = 0
    
    for i in range(len(array)):
        for j in range(len(array)):
            sum = sum + array[i][j]
    return sum
    
    
array = [[0 for i in range(3)] for j in range(3)] 

for i in range(3):
    for j in range(3):
        array[i][j] = random.randint(0,20)
       

# in 2 ta for ziri ro bara visualization gozashtam    
for i in range(3):
    for j in range(3):
        print (array[i][j], end=' ')   
    print ()   
        
        
result = jam() 

print("result: ", result)