Implement a function that takes a Null-terminated string andconverts the lowercase characters (a-z) to uppercase and convertthe uppercase oanes (A-Z) to lower case. In null-terminatedstrings, end of the string is specified by a special null character(i.e., value of 0). Your function should ignore non-alphabeticalcharacters. For example, “L!A##b@@3” should be converted to“laB”.
#a0: input array
#a1: output array
change_case:
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