message: Update sum-of-beauty-of-all-substrings.py
diff: @@ -12,6 +12,5 @@ class Solution(object):
  lookup = [0]*26
  for j in xrange(i, len(s)):
  lookup[ord(s[j])-ord('a')] += 1
  - print min(x for x in lookup if x)
  result += max(lookup) - min(x for x in lookup if x)
  return result
  