题目描述
start() & end()
These expressions return the indices of the start and end of the substring matched by the group.
Code
import re
m = re.search(r'$\d+$','1234')
m.end()
4
m.start()
0
Task
You are given a string $\mbox{S}$.
Your task is to find the indices of the start and end of string $\boldsymbol{k}$ in $\mbox{S}$.
Input Format
The first line contains the string $\mbox{S}$.
The second line contains the string $\boldsymbol{k}$.
Constraints
$0<len(S)<100$
$0<len(k)<len(S)$
Output Format
Print the tuple in this format: (start _index, end _index).
If no match is found, print (-1, -1).
Sample Input
aaadaa
aa
Sample Output
(0, 1)
(1, 2)
(4, 5)
输入格式
见题面
输出格式
见题面
样例输入
aaadaa
aa
样例输出
(0, 1)
(1, 2)
(4, 5)