Add Reversed - ADDREV

test1.py

#Approach 1
def reverse_string(string):
	return string[::-1] #Slicing Begin to end in steps of -1
	
t = int(input())
for testcase in range(0,t):
    a,b = input().split()
    result = str( int(reverse_string(a)) + int(reverse_string(b)) )
    print( int(reverse_string(result)) ) 
#End

#Approach 2
def reverse(num):
	s = 0
	while num > 0:
		d = num%10
		s = (s*10)+d
		num = num // 10
	return s
	
t = int(input())
for testcase in range(0,t):
	a,b = input().split()
	a,b = int(a),int(b)
	result = reverse(a)+reverse(b)
	print(reverse(result)) 
	#End