example of for-loops

forInput.cpp

@@ -0,0 +1,21 @@
+#include <iostream>
+using namespace std;
+
+int main() {
+
+  double sum = 0;
+  int numThings = 0;
+
+  cout << "Enter the number of things to be summed: ";
+  cin >> numThings;
+
+  for(int i = 0; i < numThings; i++){
+    double temp = 0;
+    cout << "Enter a number: ";
+    cin >> temp;
+    sum = sum + temp;
+  }
+
+  cout << "Here's your final sum: " << sum << endl;
+  return 0;
+}