Return the smallest number of steps it takes to convert a string entirely into uppercase or entirely into lower case, whichever takes the fewest number of steps. A step consists of changing one character from lower to upper case, or vice versa. Examples steps ToConvert("abC") → 1 // "abc" converted to "abc" in 1 step stepsToConvert("abCBA") → 2 // "abCBA" converted to "ABCBA" in 2 steps steps ToConvert("aba") stepsToConvert("abaCCC") - 3

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