<prompt> Etsa mosebetsi oa ho bala palo ea litlhaku tse ikhethang ka khoele.khoele Lirurubele  <response>: Instruction in English: Design a function to count the number of unique characters in a string. . Response in English: Here is one way to count the number of unique characters in a string using Python:def count_unique_charsstring: unique_chars setstring return lenunique_charsTo use this function with the example input you provided, we can call the function like this:string Butterfliescount count_unique_charsstringprintfNumber of unique characters in string is: countThis would output:Number of unique characters in Butterflies is: 9 . Response in Sesotho: Mokhoa o mong ke ona oa ho bala palo ea litlhaku tse ikhethang khoeleng u sebelisa Python: def count_unique_charsstring: unique_chars setstring return lenunique_chars Ho sebelisa tshebetso ena ka mohlala oo o o faneng ka ona. , re ka bitsa mosebetsi tjena: string Butterflies count count_unique_charsstring printfPalo ea litlhaku tse ikhethang hostring ke: count Sena se ne se tla hlahisa : Palo ea litlhaku tse ikhethang ho Butterflies ke: 9 