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print float(len(filter(lambda x: x>0, arr)))/len(arr) print float(len(filter(lambda x: x<0, arr)))/len(arr) print float(len(filter(lambda x: x==0, arr)))/len(arr)
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print float(len(filter(lambda x: x>0, arr)))/len(arr) print float(len(filter(lambda x: x<0, arr)))/len(arr) print float(len(filter(lambda x: x==0, arr)))/len(arr)