A sandwich string is a string with length of at least three, the first and last character are equal, and the characters in the middle are all the same but not equal to the first and last character. "wooow" is an example of a sandwich string. Create a program that asks for a user input string S, and prints True if S contains at least one sandwich string, and False, otherwise. Sample Input 1: yeeeeeeey Sample Output 1: True Sample Input 2: bwahaha Sample Output 2: True Sample Input 3: sandwich Sample Output 3:

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