Question 4f. Provide the output of the following C++ code?   #include using namespace std; template T multIt(T x) { for(int ii = 0; ii < count; ii++) { x = x * x; } return x; }; int main() { float xx = 2.1; cout << xx << ": " << multIt<>(xx) << endl; }

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Header files

A file with an extension that has some predefined declarations and definitions is called a header file. Every computer program imports a set of header files to perform common tasks such as getting input, displaying output, and so forth. Every language has different header files (such as C, JAVA, Python, and C++). In this article, header files are explained mainly in the context of the C/C++ language.