String compression interview problem Ex: Input: "aabbcccccddd" Output: "a22c5d3" Code: def str_compression(): a = "aabbcccccddd" output = {} output_str = "" for i in a: if i in output: output[i] += 1 else: output[i] = 1 for k,v in output.items(): output_str += k output_str += str(v) return output_str str_compression()
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