https://school.programmers.co.kr/learn/courses/30/lessons/147355
python
def solution(t, p):
int_p = int(p)
len_p = len(p)
count = 0
for i in range(len(t) - len_p + 1):
if int(t[i : i + len_p]) <= int_p:
count += 1
return count
if __name__ == "__main__":
result = solution("500220839878", "7")
print(result)
print(result == 8)
8
True