@@ -14,9 +14,6 @@ for d in data:
low = int(amount[0])
high = int(amount[1])
count = 0
- for c in d[1]:
- if c == search:
- count += 1
- if count >= low and count <= high:
+ if (d[1][low] == search) != (d[1][high] == search):
valid += 1
print(valid)