Add student example inputs

examples/factorial/factorial.mc

@@ -0,0 +1,29 @@
+int calculateFactorial(int number){
+    int factorial = 1;
+    int i = 1;
+    while (i <= number){
+        factorial *= i;
+        i = i + 1;
+    }
+    return factorial;
+}
+
+int main() {
+
+    print("Please enter a number: ");
+
+    int number;
+    number = read_int();
+    print_nl();
+
+    int result;
+    result = calculateFactorial(number);
+
+    print("The factorial of ");
+    print_int(number);
+    print(" is ");
+    print_int(result);
+    print_nl();
+
+    return 0;
+}

examples/factorial/factorial.stdin.txt

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+5

examples/factorial/factorial.stdout.txt

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+Please enter a number: 
+The factorial of 5 is 120