Web Reference: First, the character occurs only once. It is replaced by . Then the character occurs three times, and it is replaced by and so on. Also, note the single space within each compression and between the compressions. # Enter your code here. Read input from STDIN. Print. In this task, we would like for you to appreciate the usefulness of the groupby() function of itertools. You are given a string S. Suppose a character ‘c‘ occurs consecutively X times in the string. Replace these consecutive occurrences of the character ‘c‘ with (X, c)in the string. Given an array of characters chars, compress it using the following algorithm: Begin with an empty string s. For each group of consecutive repeating characters in chars: If the group's length is 1, append the character to s. Otherwise, append the character followed by the group's length.
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