diff --git a/index.js b/index.js
index 294f6b2..c5fedaf 100644
--- a/index.js
+++ b/index.js
@@ -8,10 +8,10 @@ const s4 = "bread";
 const s5 = "and";
 
 // Concatenate the string variables into one new string
-
+const tongueTwister = `${s1} ${s2} ${s3} ${s4} ${s5} ${s3} ${s2} ${s1} ${s4}`
 
 // Print out the concatenated string
-
+console.log(tongueTwister);
 
 
 
@@ -22,10 +22,13 @@ const part1 = "java";
 const part2 = "script";
 
 // Convert the last letter of part1 and part2 to uppercase and concatenate the strings
+const part1LastLetter = part1[part1.length-1].toUpperCase();
+const part2LastLetter = part2[part2.length-1].toUpperCase();
 
+const result = `${part1.slice(0, part1.length-1)}${part1LastLetter}${part2.slice(0, part2.length-1)}${part2LastLetter}`
 
 // Print the cameLtaiL-formatted string
-
+console.log(result)
 
 
 
@@ -35,10 +38,10 @@ const part2 = "script";
 const billTotal = 84;
 
 // Calculate the tip (15% of the bill total)
-
+const tipAmount = billTotal * 0.15;
 
 // Print out the tipAmount
-
+console.log(tipAmount);
 
 
 
@@ -47,10 +50,10 @@ const billTotal = 84;
 *******************************************/
 
 // Generate a random integer between 1 and 10 (inclusive)
-
+const randomNumber = Math.floor(Math.random() * 10) + 1;
 
 // Print the generated random number
-
+console.log(randomNumber)
 
 
 /*******************************************
@@ -62,15 +65,43 @@ const b = false;
 
 // Try and guess the output of the below expressions first and write your answers down:
 const expression1 = a && b;
+// expected output: false
+
+console.log(expression1);
+// actual output: false
 
 const expression2 = a || b;
+// expected output: true
+
+console.log(expression2);
+// actual output: true
 
 const expression3 = !a && b;
+// expected output: false
+
+console.log(expression3);
+// actual output: false
 
 const expression4 = !(a && b);
+// expected output: true
+
+console.log(expression4);
+// actual output: true
 
 const expression5 = !a || !b;
+// expected output: true
+
+console.log(expression5);
+// actual output: true
 
 const expression6 = !(a || b);
+// expected output: false
+
+console.log(expression6);
+// actual output: false
+
+const expression7 = a && a;
+// expected output: true
 
-const expression7 = a && a;
\ No newline at end of file
+console.log(expression7);
+// actual output: true
\ No newline at end of file