Given a string, find all the duplicate characters which are similar to each others.
Let’s look at the example.
Input : hello Output : l Input : geeksforgeeeks Output : e g k s
We have discussed a solution in below post.
Print all the duplicates in the input string
We can solve this problem quickly using python Counter() method. Approach is very simple.
1) First create a dictionary using Counter method having strings as keys and their frequencies as values.
2) Declare a temp variable.
3) Print all the indexes from the keys which have value greater than 1.
e g k s
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