diff --git a/Dictionary.py b/Dictionary.py
index 026ded0..a6796ad 100644
--- a/Dictionary.py
+++ b/Dictionary.py
@@ -1,20 +1,39 @@
-
+#Dictionary is a key value pairs
 
 
 def main():
-    #Student={'Name':"hussein alrubaye",'Age':27,'Slary':232.5};
+    #Creating a dictionary
     Student=dict(Name="hussein alrubaye",Age=27,Slary=232.5);
+    
+    #it can also be created as:-
+    #Student={'Name':"hussein alrubaye",'Age':27,'Slary':232.5};
+    
+    
+    #we can assign a list,tuple or even a dictionary to a key in a dictionary
+    
+    #Replacing the value of a key
     Student['Name']="Hussein Ahmed"
+    
+    #Adding a key value pair in the dictionary
     Student["Dept"]="software engineer"
+    
+    #Printing the type of an dictionary
     print(Student,type(Student))
+    
+    #Deleting the a key from the dictonary
     del Student["Dept"]
-    print(Student,type(Student))
+    
+    #Accessing the value from a key
     print(Student['Name'])
     print(Student['Age'])
+    
+    #Removing all the items from the dictionary
     Student.clear()
+    
     print(Student,type(Student))
     
 
 
 
-if __name__ == '__main__':main()
+if __name__ == '__main__':
+    main()
diff --git a/TuplesAndList.py b/TuplesAndList.py
index 2acb371..57cb545 100644
--- a/TuplesAndList.py
+++ b/TuplesAndList.py
@@ -3,17 +3,18 @@
 def main():
     #string
     Data="software engineer"
+    #String Slicing
     print(Data[0:5])
     #List
     Ages=[44,33,45,33,54]
     Ages.append(100)
-    Ages.insert(0,33)
+    Ages.insert(0,33)#insert with index value
     print(Ages)
     #Tuples
-    Ages=[44,33,45,33,54]
-    Ages.append(100)
-    Ages.insert(0,33)
-    print(Ages)
+    Ages_tp=(44,33,45,33,54)#A tupple is immutable i.e, it cannot be changed
+    Ages_tp.append(100)
+    Ages_tp.insert(0,33)
+    print(Ages_tp)