3. Write a program in C to copy a sentence in reverse order and replace lowercase characters by uppercase and vice-versa. Test Data: Itujz NI TNEDUTS LANOITANRETNI NA MAI Expected Output : copy a sentence in reverse order: Input the string : !tujz NI TNEDUTS LANOITANRETNI NA MA i Copied the string in reverse order: I am an International student in ZJUT