Updated to Appendix C, Section 2 & 3

Author: cppHusky

.vscode/Test.cpp

@@ -0,0 +1,11 @@
+#include <iostream>
+using namespace std;
+int main() {
+    unsigned a = 10;
+    cout << (a << 1) << endl; //20
+    cout << (a << 2) << endl; //40
+    cout << (a << 3) << endl; //80
+    cout << (a << 4) << endl; //160
+    cout << (a << 5) << endl; //320
+    return 0;
+}