Question: 
Write a function to add two numbers and print number of digits of sum.


Model's Code:
def count_digits(a, b):
    total = a + b
    return len(str(total))



Sample Correct Code:
def count_digits(num1,num2):
    number=num1+num2
    count = 0
    while(number > 0):
        number = number // 10
        count = count + 1
    return count


Asserts:
assert count_digits(9875,10)==(4)
assert count_digits(98759853034,100)==(11)
assert count_digits(1234567,500)==(7)


Tests:
Test 1 of 3: PASS
Test 2 of 3: PASS
Test 3 of 3: PASS

Test 543 of 974: 401/543 (73.84898710865562%): success