class Solution:
    def stringShift(self, s, shift):
        currentIndex = 0
        for sh in shift:
            if sh[0] == 0:
                currentIndex += sh[1]
            else:
                currentIndex -= sh[1]
        
        # Now start reading string from this index (wrapping) and go until len reached
        retString = ""
        while len(retString) != len(s):
            retString += s[(currentIndex % len(s))]
            currentIndex += 1
            
        return retString

s = Solution()
print("Expected: cab")
print("Got:", s.stringShift("abc", [[0,1], [1,2]]))