diff --git a/CPlusPlus20ForProgrammers-master/examples/ch06/a.out b/CPlusPlus20ForProgrammers-master/examples/ch06/a.out
new file mode 100755
index 0000000..6276749
Binary files /dev/null and b/CPlusPlus20ForProgrammers-master/examples/ch06/a.out differ
diff --git a/CPlusPlus20ForProgrammers-master/examples/ch06/fig06_02.cpp b/CPlusPlus20ForProgrammers-master/examples/ch06/fig06_02.cpp
index ad833fe..0c45af0 100644
--- a/CPlusPlus20ForProgrammers-master/examples/ch06/fig06_02.cpp
+++ b/CPlusPlus20ForProgrammers-master/examples/ch06/fig06_02.cpp
@@ -1,6 +1,6 @@
 // fig06_02.cpp
 // Initializing an array in a declaration.
-#include <format>
+//#include <format>
 #include <iostream>
 #include <array>
 
@@ -9,7 +9,7 @@ int main() {
 
    // output each array element's value
    for (size_t i{0}; i < values.size(); ++i) {
-      std::cout << std::format("{}  ", values.at(i));
+      std::cout <<  values.at(i) << "\n";
    }
 
    std::cout << "\n\n";
@@ -19,7 +19,7 @@ int main() {
 
    // output each array element's value
    for (size_t i{0}; i < values2.size(); ++i) {
-      std::cout << std::format("{}  ", values2.at(i));
+      std::cout <<  values2[i] << "\n";
    }
 
    std::cout << "\n";
diff --git a/CPlusPlus20ForProgrammers-master/examples/ch06/fig06_03.cpp b/CPlusPlus20ForProgrammers-master/examples/ch06/fig06_03.cpp
index 3c17f87..d5d4309 100644
--- a/CPlusPlus20ForProgrammers-master/examples/ch06/fig06_03.cpp
+++ b/CPlusPlus20ForProgrammers-master/examples/ch06/fig06_03.cpp
@@ -8,10 +8,14 @@ int main() {
 
    std::array items2{1, 2, 3, 4, 5};
    // display items before modification
+
+   for (int i{0}; i<items.size();i++)
+       std::cout <<  items[i] << "<-- items\n";
    std::cout << "items before modification: ";
    for (const int& item : items) { // item is a reference to a const int
       std::cout <<  item << "<-- items\n"; 
-   }                       
+   }     
+
    std::cout << "items2 before modification:\n";
    for (const int& item : items) { // item is a reference to a const int
       std::cout <<  item << "<-- items2\n";
@@ -38,8 +42,6 @@ int main() {
    for (const int& item : items2) {
       std::cout <<  item << "<-- items2\n";
    }
-
-
    // sum elements of items using range-based for with initialization
    std::cout << "\n\ncalculating a running total of items' values:\n";
    for (int runningTotal{0}; const int& item : items) {