From 92531338e3bf358e22338e9f038699328c9cb07b Mon Sep 17 00:00:00 2001
From: aalassv <a.alas.sv@gmail.com>
Date: Sat, 3 Jul 2021 09:53:34 +0100
Subject: [PATCH 1/3] All required exercise done, extra not yet

---
 exercises/B-hello-world/exercise.js           | 48 +++++++++++++++++++
 exercises/C-variables/exercise.js             |  5 +-
 exercises/D-strings/exercise.js               | 15 ++++++
 exercises/E-strings-concatenation/exercise.js |  6 ++-
 exercises/F-strings-methods/exercise.js       | 25 +++++++++-
 exercises/F-strings-methods/exercise2.js      |  5 +-
 exercises/G-numbers/exercise.js               | 17 +++++++
 exercises/I-floats/exercise.js                | 24 +++++++++-
 exercises/J-functions/exercise.js             | 12 ++++-
 exercises/J-functions/exercise2.js            |  4 +-
 exercises/K-functions-parameters/exercise.js  |  6 +--
 exercises/K-functions-parameters/exercise2.js |  6 ++-
 exercises/K-functions-parameters/exercise3.js |  6 ++-
 exercises/K-functions-parameters/exercise4.js |  6 ++-
 exercises/K-functions-parameters/exercise5.js |  4 +-
 exercises/L-functions-nested/exercise.js      | 23 +++++++--
 extra/1-currency-conversion.js                | 18 +++++--
 17 files changed, 201 insertions(+), 29 deletions(-)

diff --git a/exercises/B-hello-world/exercise.js b/exercises/B-hello-world/exercise.js
index b179ee953..f817f2e74 100644
--- a/exercises/B-hello-world/exercise.js
+++ b/exercises/B-hello-world/exercise.js
@@ -1 +1,49 @@
 console.log("Hello world");
+console.log("Testing console.log");
+console.log("Show a lot to do.");
+console.log("Amazing console that LOG");
+
+let person1 = " Israel ";
+let activity = " Skateboarding ";
+let goOut = " To the park ";
+let likes = "It is a person who likes";
+let noLikes = "It is a person who do not likes";
+let numberBig = 1324123451235;
+let isTrueOr = true;
+let isFalseOr = false;
+let story =
+  isFalseOr +
+  isTrueOr +
+  person1 +
+  numberBig +
+  noLikes +
+  " play baseball" +
+  " his " +
+  activity +
+  " is better than anything";
+
+console.log("begin of the story");
+console.log(story);
+
+function myFunctionName() {
+  console.log(goOut);
+  console.log(likes);
+  console.log(story);
+}
+
+console.log("the function results");
+myFunctionName();
+
+function someTest(num1, num2, num3, num4) {
+  return "The numbers you gave us SUM: " + num1 + num2 + num3 + num4;
+}
+console.log("sum");
+someTest(700, 44, 600, 100);
+
+//Experiment
+console.log("This is the test with out quotes");
+console.log(
+  "If you do not use quotes an error message will appear to you saying: SyntaxError: missing ) after argument list"
+);
+console.log(100);
+console.log("Console.log works with numbers too, with out quotes");
diff --git a/exercises/C-variables/exercise.js b/exercises/C-variables/exercise.js
index a6bbb9786..19b5b7e53 100644
--- a/exercises/C-variables/exercise.js
+++ b/exercises/C-variables/exercise.js
@@ -1,3 +1,6 @@
 // Start by creating a variable `greeting`
-
+let greeting = "Hello World";
+console.log(greeting);
 console.log(greeting);
+console.log(greeting);
+
diff --git a/exercises/D-strings/exercise.js b/exercises/D-strings/exercise.js
index 2cffa6a81..3d83ac165 100644
--- a/exercises/D-strings/exercise.js
+++ b/exercises/D-strings/exercise.js
@@ -1,3 +1,18 @@
 // Start by creating a variable `message`
 
+let message = "This is a string"
+//log
 console.log(message);
+
+
+let messageType = typeof message;
+console.log(messageType);
+//log
+console.log(typeof(message));
+
+
+let myMessage = "Using typeof command to know what data type is and this is: "
+let myMsmDataType = typeof myMessage;
+//log
+console.log(myMessage,myMsmDataType);
+
diff --git a/exercises/E-strings-concatenation/exercise.js b/exercises/E-strings-concatenation/exercise.js
index 2cffa6a81..2153e678f 100644
--- a/exercises/E-strings-concatenation/exercise.js
+++ b/exercises/E-strings-concatenation/exercise.js
@@ -1,3 +1,7 @@
 // Start by creating a variable `message`
+let message = "Hello, my name is ";
+let myName = "Israel";
+let greeting = message + myName;
+//log
+console.log(greeting);
 
-console.log(message);
diff --git a/exercises/F-strings-methods/exercise.js b/exercises/F-strings-methods/exercise.js
index 2cffa6a81..fd55c5ae8 100644
--- a/exercises/F-strings-methods/exercise.js
+++ b/exercises/F-strings-methods/exercise.js
@@ -1,3 +1,26 @@
 // Start by creating a variable `message`
 
-console.log(message);
+let myName = "Israel";
+let nameLength = myName.length;
+//log
+console.log(nameLength);
+
+//Using string methods
+let myNameInLowerCase = myName.toLowerCase();
+//log
+console.log(myNameInLowerCase);
+
+let exerciseOne =
+  "My name is " + myName + " and my name is " + nameLength + " characters long";
+//log
+console.log(exerciseOne);
+
+const name = " Daniel  ";
+
+//log
+let exerciseTwo = "My name is " + name + " and my name is " + nameLength + " characters long";
+console.log(exerciseTwo);
+//With trim
+exerciseTwo = "My name is " + name.trim() + " and my name is " + nameLength + " characters long";
+console.log(exerciseTwo);
+
diff --git a/exercises/F-strings-methods/exercise2.js b/exercises/F-strings-methods/exercise2.js
index b4b46943d..9c15fc978 100644
--- a/exercises/F-strings-methods/exercise2.js
+++ b/exercises/F-strings-methods/exercise2.js
@@ -1,3 +1,6 @@
 const name = " Daniel  ";
 
-console.log(message);
+let exerciseOne =
+  "My name is " + name+ " and my name is " + nameLength + " characters long";
+//log
+console.log(exerciseOne);
diff --git a/exercises/G-numbers/exercise.js b/exercises/G-numbers/exercise.js
index 49e7bc00b..6876451bc 100644
--- a/exercises/G-numbers/exercise.js
+++ b/exercises/G-numbers/exercise.js
@@ -1 +1,18 @@
 // Start by creating a variables `numberOfStudents` and `numberOfMentors`
+let age = 37;
+let sum = 10 + 234;
+let product = 245 * 23;
+let quotient = 10 / 2;
+let difference = 10 - 4;
+
+//Exercises
+
+let numberOfStudents = 100;
+let numberOfMentors = 25;
+
+console.log(
+  "Total number of student: " +
+    numberOfStudents +
+    " and mentors: " +
+    numberOfMentors
+);
diff --git a/exercises/I-floats/exercise.js b/exercises/I-floats/exercise.js
index a5bbcd852..780e047e0 100644
--- a/exercises/I-floats/exercise.js
+++ b/exercises/I-floats/exercise.js
@@ -1,2 +1,22 @@
-var numberOfStudents = 15;
-var numberOfMentors = 8;
+
+let numberOfStudents = 15;
+let numberOfMentors = 8;
+
+//Some test
+let preciseAge = 30.612437;
+//get that number rounded using Math.round
+let roughAge = Math.round(preciseAge);
+//log
+//console.log(roughAge); //31
+
+//lets sum both values Student and Mentors
+let totalAmount = numberOfMentors+numberOfStudents;
+//Divide - multiply and round
+let percentageValue = Math.round((numberOfStudents/totalAmount)*100);
+//log for students
+console.log("Percentage students "+percentageValue+"%");
+
+//Divide - multiply and round
+percentageValue = Math.round((numberOfMentors/totalAmount)*100);
+//log for metors
+console.log("Percentage mentors "+percentageValue+"%");
\ No newline at end of file
diff --git a/exercises/J-functions/exercise.js b/exercises/J-functions/exercise.js
index 0ae5850e5..9da6da27f 100644
--- a/exercises/J-functions/exercise.js
+++ b/exercises/J-functions/exercise.js
@@ -1,7 +1,15 @@
 function halve(number) {
-  // complete the function here
+  return number / 2;
 }
 
 var result = halve(12);
-
+//log
+console.log(result);
+//log-1
+result = halve(245);
+//log
 console.log(result);
+//log-2
+result = halve(59934);
+//log
+console.log(result);
\ No newline at end of file
diff --git a/exercises/J-functions/exercise2.js b/exercises/J-functions/exercise2.js
index 82ef5e780..0df95e216 100644
--- a/exercises/J-functions/exercise2.js
+++ b/exercises/J-functions/exercise2.js
@@ -1,7 +1,7 @@
 function triple(number) {
-  // complete function here
+  return number * 3;
 }
 
-var result = triple(12);
+let result = triple(12);
 
 console.log(result);
diff --git a/exercises/K-functions-parameters/exercise.js b/exercises/K-functions-parameters/exercise.js
index 8d5db5e69..e17a7f893 100644
--- a/exercises/K-functions-parameters/exercise.js
+++ b/exercises/K-functions-parameters/exercise.js
@@ -1,9 +1,9 @@
 // Complete the function so that it takes input parameters
-function multiply() {
-  // Calculate the result of the function and return it
+function multiply(num01, num02) {
+  return num01 * num02;
 }
 
 // Assign the result of calling the function the variable `result`
-var result = multiply(3, 4);
+let result = multiply(3, 4);
 
 console.log(result);
diff --git a/exercises/K-functions-parameters/exercise2.js b/exercises/K-functions-parameters/exercise2.js
index db7a8904b..f4db3227a 100644
--- a/exercises/K-functions-parameters/exercise2.js
+++ b/exercises/K-functions-parameters/exercise2.js
@@ -1,5 +1,7 @@
-// Declare your function first
+function divide (num1, num2){
+    return num1 / num2;
+}
 
-var result = divide(3, 4);
+let result = divide(3, 4);
 
 console.log(result);
diff --git a/exercises/K-functions-parameters/exercise3.js b/exercises/K-functions-parameters/exercise3.js
index 537e9f4ec..f71c62566 100644
--- a/exercises/K-functions-parameters/exercise3.js
+++ b/exercises/K-functions-parameters/exercise3.js
@@ -1,5 +1,7 @@
-// Write your function here
+function createGreeting (str){
+    return "Hello, my name is " + str;
+}
 
-var greeting = createGreeting("Daniel");
+let greeting = createGreeting("Daniel");
 
 console.log(greeting);
diff --git a/exercises/K-functions-parameters/exercise4.js b/exercises/K-functions-parameters/exercise4.js
index 7ab44589e..0b416bac1 100644
--- a/exercises/K-functions-parameters/exercise4.js
+++ b/exercises/K-functions-parameters/exercise4.js
@@ -1,5 +1,7 @@
-// Declare your function first
+function addition (num1, num2){
+    return num1 + num2;
+}
 
-// Call the function and assign to a variable `sum`
+let sum = addition(13,124); 
 
 console.log(sum);
diff --git a/exercises/K-functions-parameters/exercise5.js b/exercises/K-functions-parameters/exercise5.js
index 7c5bcd605..eb76e979c 100644
--- a/exercises/K-functions-parameters/exercise5.js
+++ b/exercises/K-functions-parameters/exercise5.js
@@ -1,4 +1,6 @@
-// Declare your function here
+function createLongGreeting(str, ages) {
+  return "Hello, my names is " + str + " and I'm " + ages + " years old";
+}
 
 const greeting = createLongGreeting("Daniel", 30);
 
diff --git a/exercises/L-functions-nested/exercise.js b/exercises/L-functions-nested/exercise.js
index a5d377442..fdc765c1b 100644
--- a/exercises/L-functions-nested/exercise.js
+++ b/exercises/L-functions-nested/exercise.js
@@ -1,5 +1,18 @@
-var mentor1 = "Daniel";
-var mentor2 = "Irina";
-var mentor3 = "Mimi";
-var mentor4 = "Rob";
-var mentor5 = "Yohannes";
+let mentor1 = "Daniel";
+let mentor2 = "Irina";
+let mentor3 = "Mimi";
+let mentor4 = "Rob";
+let mentor5 = "Yohannes";
+ 
+function uppercaseNames (str){
+    return nameUppercased = str.toUpperCase();
+}
+
+function shoutyGreet (name){
+    return "HELLO "+uppercaseNames(name);
+}
+console.log(shoutyGreet(mentor1));
+console.log(shoutyGreet(mentor2));
+console.log(shoutyGreet(mentor3));
+console.log(shoutyGreet(mentor4));
+console.log(shoutyGreet(mentor5));
diff --git a/extra/1-currency-conversion.js b/extra/1-currency-conversion.js
index d82e59480..c1a035c19 100644
--- a/extra/1-currency-conversion.js
+++ b/extra/1-currency-conversion.js
@@ -5,17 +5,26 @@
   Write a function that converts a price to USD (exchange rate is 1.4 $ to £)
 */
 
-function convertToUSD() {}
+//function convertToUSD(price) {
+ // return price * 1.4;
+//}
+//console.log(convertToUSD(100));
 
 /*
   CURRENCY CONVERSION
   ===================
   The business is now breaking into the Brazilian market
   Write a new function for converting to the Brazilian real (exchange rate is 5.7 BRL to £)
-  They have also decided that they should add a 1% fee to all foreign transactions, which means you only convert 99% of the £ to BRL.
+  They have also decided that they should add a 1% fee to all foreign transactions, 
+  which means you only convert 99% of the £ to BRL.
 */
 
-function convertToBRL() {}
+function convertToBRL(priceB) {
+  substPercent = (priceB / 99) * 99  ;
+return substPercent * 5.7;
+}
+
+console.log(convertToBRL(100.00));
 
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.
@@ -23,7 +32,7 @@ There are some Tests in this file that will help you work out if your code is wo
 To run these tests type `npm run extraTo run the tests for just this one file, type `npm run extra-tests -- --testPathPattern 1-syntax-errors` into your terminal
 (Reminder: You must have run `npm install` one time before this will work!)
 */
-
+/*
 test("convertToUSD function works for £32", () => {
   expect(convertToUSD(32)).toEqual(44.8);
 });
@@ -39,3 +48,4 @@ test("convertToBRL function works for £30", () => {
 test("convertToBRL function works for £1.50", () => {
   expect(convertToBRL(1.5)).toEqual(8.46);
 });
+*/
\ No newline at end of file

From de6764fecc9c2b6f8c20db84f52bdafde9c0ff6d Mon Sep 17 00:00:00 2001
From: aalassv <a.alas.sv@gmail.com>
Date: Thu, 8 Jul 2021 01:32:12 +0100
Subject: [PATCH 2/3] Al exercises done

Sorry but the Magic ball maybe need more time to sorted out.
---
 extra/1-currency-conversion.js | 17 +++++++--------
 extra/2-piping.js              | 38 +++++++++++++++++++++++++---------
 extra/3-magic-8-ball.js        | 30 ++++++++++++++++-----------
 mandatory/1-syntax-errors.js   |  6 +++---
 mandatory/2-logic-error.js     |  7 +++----
 mandatory/3-function-output.js |  6 +++---
 mandatory/4-tax.js             | 16 ++++++++++----
 7 files changed, 75 insertions(+), 45 deletions(-)

diff --git a/extra/1-currency-conversion.js b/extra/1-currency-conversion.js
index c1a035c19..8ebc7887c 100644
--- a/extra/1-currency-conversion.js
+++ b/extra/1-currency-conversion.js
@@ -5,10 +5,10 @@
   Write a function that converts a price to USD (exchange rate is 1.4 $ to £)
 */
 
-//function convertToUSD(price) {
- // return price * 1.4;
-//}
-//console.log(convertToUSD(100));
+function convertToUSD(price) {
+return price * 1.4;
+}
+console.log(convertToUSD(32));
 
 /*
   CURRENCY CONVERSION
@@ -16,15 +16,15 @@
   The business is now breaking into the Brazilian market
   Write a new function for converting to the Brazilian real (exchange rate is 5.7 BRL to £)
   They have also decided that they should add a 1% fee to all foreign transactions, 
-  which means you only convert 99% of the £ to BRL.
+  which means you only convert 99% of the £ to BRL. 
 */
 
 function convertToBRL(priceB) {
-  substPercent = (priceB / 99) * 99  ;
+  substPercent = priceB * .99  ;
 return substPercent * 5.7;
 }
 
-console.log(convertToBRL(100.00));
+console.log(convertToBRL(30));
 
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.
@@ -32,7 +32,7 @@ There are some Tests in this file that will help you work out if your code is wo
 To run these tests type `npm run extraTo run the tests for just this one file, type `npm run extra-tests -- --testPathPattern 1-syntax-errors` into your terminal
 (Reminder: You must have run `npm install` one time before this will work!)
 */
-/*
+
 test("convertToUSD function works for £32", () => {
   expect(convertToUSD(32)).toEqual(44.8);
 });
@@ -48,4 +48,3 @@ test("convertToBRL function works for £30", () => {
 test("convertToBRL function works for £1.50", () => {
   expect(convertToBRL(1.5)).toEqual(8.46);
 });
-*/
\ No newline at end of file
diff --git a/extra/2-piping.js b/extra/2-piping.js
index 9c8ebc76a..dd0bca224 100644
--- a/extra/2-piping.js
+++ b/extra/2-piping.js
@@ -6,7 +6,8 @@
   - one that multiplies 2 numbers together
   - one that formats a number so it's returned as a string with a £ sign before it (e.g. 20 -> £20)
 
-  2. Using the variable startingValue as input, perform the following operations using your functions all
+  2. Using the variable startingValue as input, perform the following operations 
+  using your functions all
   on one line (assign the result to the variable badCode):
   - add 10 to startingValue
   - multiply the result by 2
@@ -16,26 +17,43 @@
   the final result to the variable goodCode
 */
 
-function add() {
-
+function add(num1, num2) {
+  return num1 + num2;
 }
 
-function multiply() {
-
+function multiply(num1, num2) {
+  return num1 * num2;
 }
 
-function format() {
-
+function format(number) {
+  return "£" + number;
 }
 
 const startingValue = 2;
 
 // Why can this code be seen as bad practice? Comment your answer.
-let badCode =
+let badCode = format((multiply(add(startingValue,10),2))); //I never think to write this without your help CYF
+                                                          //Is a bad code I know but I understand what I wrote
+console.log(badCode);                                      
+                                   
+ /*BETTER PRACTICE */
+
+function performOperations (numToAdd, numToMultiply){
+  sum = numToAdd + startingValue;
+  multiplication = sum * numToMultiply;
+  return "£" + multiplication;
+}
+
+let goodCode = performOperations(10,2);
 
-/* BETTER PRACTICE */
+console.log(goodCode);
+/* £££    UNCOMMENT THIS CODE TO RUN WITH FIXED VALUES  $$$
 
-let goodCode =
+function performOperations (){
+  sum = 10 + startingValue;
+  multiplication = sum * 2;
+  return "£" + multiplication;
+  */
 
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.
diff --git a/extra/3-magic-8-ball.js b/extra/3-magic-8-ball.js
index f3adbefa5..06e3701a6 100644
--- a/extra/3-magic-8-ball.js
+++ b/extra/3-magic-8-ball.js
@@ -13,15 +13,17 @@
   and have different levels of positivity or negativity.
 
   Below are the possible answers:
-
-  ## Very positive
-    It is certain.
-    It is decidedly so.
-    Without a doubt.
-    Yes - definitely.
-    You may rely on it.
-
-  ## Positive
+*/
+let possibleAnswer = new Array ();
+    possibleAnswer[0]  = new Array (
+    "Very positive",
+    "It is certain",
+    "It is decidedly so",
+    "Without a doubt",
+    "Yes - definitely",
+    "You may rely on it"
+);
+    possibleAnswer[0]  = new Array (Positive = (
     As I see it, yes.
     Most likely.
     Outlook good.
@@ -41,14 +43,18 @@
     My sources say no.
     Outlook not so good.
     Very doubtful.
-*/
 
+]
 // This should log "The ball has shaken!"
 // and return the answer.
-function shakeBall() {
-  //Write your code in here
+function shakeBall(question) {
+  console.log("The ball has shaken!");
+  let answer = Math.random() * (17 - 5) + 5;
+  return "did you ask " + question + " ?" )
 }
 
+let answer = Math.round(Math.random() * (17 - 5) + 5);
+console.log(answer);
 /* 
   This function should say whether the answer it is given is
     - very positive
diff --git a/mandatory/1-syntax-errors.js b/mandatory/1-syntax-errors.js
index a10cc9ac2..f86a01c96 100644
--- a/mandatory/1-syntax-errors.js
+++ b/mandatory/1-syntax-errors.js
@@ -1,14 +1,14 @@
 // There are syntax errors in this code - can you fix it to pass the tests?
 
-function addNumbers(a b c) {
+function addNumbers(a, b, c) {
   return a + b + c;
 }
 
 function introduceMe(name, age)
-  return "Hello, my name is " + name "and I am " age + "years old";
+  return "Hello, my name is " + name +"and I am "+ age + "years old";
 
 function getTotal(a, b) {
-  total = a ++ b;
+  total = a + b;
 
   return "The total is total";
 }
diff --git a/mandatory/2-logic-error.js b/mandatory/2-logic-error.js
index 9cca7603b..fba446374 100644
--- a/mandatory/2-logic-error.js
+++ b/mandatory/2-logic-error.js
@@ -1,16 +1,15 @@
 // The syntax for this function is valid but it has an error, find it and fix it.
 
 function trimWord(word) {
-  return wordtrim();
+  return trimWord();
 }
 
 function getStringLength(word) {
-  return "word".length();
+  return word.length();
 }
 
 function multiply(a, b, c) {
-  a * b * c;
-  return;
+  return a * b * c;
 }
 
 /* 
diff --git a/mandatory/3-function-output.js b/mandatory/3-function-output.js
index 5a953ba60..6eb2ba93d 100644
--- a/mandatory/3-function-output.js
+++ b/mandatory/3-function-output.js
@@ -1,15 +1,15 @@
 // Add comments to explain what this function does. You're meant to use Google!
 function getRandomNumber() {
-  return Math.random() * 10;
+  return Math.random() * 10;///This function does a multiplication of a random number by 10;
 }
 
 // Add comments to explain what this function does. You're meant to use Google!
 function combine2Words(word1, word2) {
-  return word1.concat(word2);
+  return word1.concat(word2); // the concat method convert all into one string any value given.
 }
 
 function concatenate(firstWord, secondWord, thirdWord) {
-  // Write the body of this function to concatenate three words together.
+  return firstWord.concat(" ",secondWord).concat(" ",thirdWord);
   // Look at the test case below to understand what this function is expected to return.
 }
 
diff --git a/mandatory/4-tax.js b/mandatory/4-tax.js
index ba77c7ae2..ba6fca0eb 100644
--- a/mandatory/4-tax.js
+++ b/mandatory/4-tax.js
@@ -1,12 +1,16 @@
 /*
   SALES TAX
   =========
-  A business requires a program that calculates how much the price of a product is including sales tax
+  A business requires a program that calculates how much the price of a product 
+  is including sales tax
   Sales tax is 20% of the price of the product.
 */
 
-function calculateSalesTax() {}
+function calculateSalesTax(price) {
+  return ((price * .20) + price);
+}
 
+console.log(calculateSalesTax(80));
 /*
   CURRENCY FORMATTING
   ===================
@@ -17,8 +21,12 @@ function calculateSalesTax() {}
   Remember that the prices must include the sales tax (hint: you already wrote a function for this!)
 */
 
-function addTaxAndFormatCurrency() {}
-
+function addTaxAndFormatCurrency(prices) {
+  num = calculateSalesTax(prices);
+  n = num.toFixed(2);
+  return "£" + n;
+}
+console.log(addTaxAndFormatCurrency(100))
 /* 
 ===================================================
 ======= TESTS - DO NOT MODIFY BELOW THIS LINE =====

From 0eaa0bae067181c44aacf1f354de0f7e85796f2a Mon Sep 17 00:00:00 2001
From: aalassv <a.alas.sv@gmail.com>
Date: Sat, 24 Jul 2021 21:52:16 +0100
Subject: [PATCH 3/3] All done

---
 mandatory/1-syntax-errors.js | 15 ++++++++++-----
 mandatory/2-logic-error.js   |  4 ++--
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/mandatory/1-syntax-errors.js b/mandatory/1-syntax-errors.js
index f86a01c96..7036c3c9e 100644
--- a/mandatory/1-syntax-errors.js
+++ b/mandatory/1-syntax-errors.js
@@ -4,15 +4,20 @@ function addNumbers(a, b, c) {
   return a + b + c;
 }
 
-function introduceMe(name, age)
-  return "Hello, my name is " + name +"and I am "+ age + "years old";
+function introduceMe(name, age){
+  return "Hello, my name is " + name +" and I am "+ age + " years old";
+}
 
 function getTotal(a, b) {
-  total = a + b;
-
-  return "The total is total";
+  totalIs = a + b;
+  return "The total is " + totalIs;
 }
 
+console.log(addNumbers(123,234,453));
+console.log(introduceMe("Israel",38));
+console.log(getTotal(23,345));
+
+
 /* 
 ===================================================
 ======= TESTS - DO NOT MODIFY BELOW THIS LINE =====
diff --git a/mandatory/2-logic-error.js b/mandatory/2-logic-error.js
index fba446374..b007bc8e0 100644
--- a/mandatory/2-logic-error.js
+++ b/mandatory/2-logic-error.js
@@ -1,9 +1,8 @@
 // The syntax for this function is valid but it has an error, find it and fix it.
 
 function trimWord(word) {
-  return trimWord();
+  return trimWord();// I didn't understand what do you want here!!!
 }
-
 function getStringLength(word) {
   return word.length();
 }
@@ -12,6 +11,7 @@ function multiply(a, b, c) {
   return a * b * c;
 }
 
+
 /* 
 ===================================================
 ======= TESTS - DO NOT MODIFY BELOW THIS LINE =====