Sprint -1 is done: except the first one, which i submit earlier, the rest is done in this commit . i.e. 2 -initials done, 3-path done , 4 random is done.

Author: Dagim-Daniel

Sprint-1/1-key-exercises/2-initials.js

@@ -5,7 +5,7 @@ let lastName = "Johnson";
 // Declare a variable called initials that stores the first character of each string.
 // This should produce the string "CKJ", but you must not write the characters C, K, or J in the code of your solution.
 
-let initials = ``;
-
+let initials = `${firstName[0]}${middleName[0]}${lastName[0]}`;
+console.log(initials);
 // https://www.google.com/search?q=get+first+character+of+string+mdn
 

Sprint-1/1-key-exercises/3-paths.js

@@ -17,7 +17,8 @@ console.log(`The base part of ${filePath} is ${base}`);
 // Create a variable to store the dir part of the filePath variable
 // Create a variable to store the ext part of the variable
 
-const dir = ;
-const ext = ;
-
+const dir = filePath.slice(0,lastSlashIndex);
+const ext = base.slice(base.lastIndexOf("."));
+console.log (`The directory is : ${dir}
+The extension is : ${ext}`);
 // https://www.google.com/search?q=slice+mdn

Sprint-1/1-key-exercises/4-random.js

@@ -4,6 +4,15 @@ const maximum = 100;
 const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
 
 // In this exercise, you will need to work out what num represents?
+        //   num represents a random integer between 1 and 100.
 // Try breaking down the expression and using documentation to explain what it means
 // It will help to think about the order in which expressions are evaluated
 // Try logging the value of num and running the program several times to build an idea of what the program is doing
+    // breaking down the expression into smaller parts.
+/* Math.floor(): this will return the largest integer less than or equal to a given number. In this case, it will round down the result of the expression inside the parentheses.
+Math.random(): this will return a random floating-point number between 0 (inclusive) and 1 (exclusive). In this case, it will generate a random number between 0 and 1 but never exactly 1.
+(maximum - minimum + 1): this will calculate the range of numbers we want to generate. In this case, it will calculate the difference between the maximum and minimum values (100 - 1 = 99) 
+and add 1 to include both endpoints (99 + 1 = 100).
+finally, the code adds the minimum value (which is 1) to the result.
+*/
+