JavaScript
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Strings Compression
Take as input S, a string. Write a function that does basic string compression. Print the value returned. E.g. for input “aaabbccds” print out a3b2c2d1s1. Input Format
A single String S Constraints
1 < = length of String < = 1000 Output Format
The compressed String. Sample Input
aaabbccds
Sample Output
a3b2c2d1s1
Explanation
In the given sample test case 'a' is repeated 3 times consecutively, 'b' is repeated twice, 'c' is repeated twice and 'd and 's' occurred only once.
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