Practice Exercise 1 Due through Canvas at 11:59:00 PM on Sunday, 08/29/2021 1. Please read following sections of the textbook. IF you have an older/newer edition, please match section titles, not numbers. Section 2.1 The parts of a C++ program Section 2.2 The Cout Object Section 2.3 The #include directive Section 2.15 Comments Section 2.4 Variables and Literals Section 2.5 Identifiers 2. This is a writing exercise. You may submit a Word Document (docx), a text document (txt), a Open Document format file (odt) or a PDF (pdf) file. a. What is the difference between a keyword and an identifier? Explain in about a paragraph of text. You may use expmples if required. b. Write a line of C++ code that will print "This is the first week of class". You do not have to write the previous line in a C++ program on CLion. Just the line by itself, after you previous answer, shall suffice.