class Solution: def NumberOf1Between1AndN_Solution(self, n): a=0 for i in range(0,n+1): str1=str(i) a+=str1.count("1") return a
class Solution: def NumberOf1Between1AndN_Solution(self, n): a=0 for i in range(0,n+1): str1=str(i) a+=str1.count("1") return a