String_comparison

class Solution:
    """
    @param A: A string
    @param B: A string
    @return: if string A contains all of the characters in B return true else return false
    """
    def compareStrings(self, A, B):
        # write your code here
        la = len(A)
        lb = len(B)
        if la < lb:
            return False
        if lb==0:
            return True
        sA = sorted (A)
        sB = sorted (B)
        i = 0
        j = 0
        while True:
            if j>(lb-1):
                return True
            if i>(la-1):
                return False
            if sA[i]==sB[j]:
                i+=1
                j+=1
            else:
               if sA[i] > sB[j]:
                   return False
               else:
                   i+=1