diff --git a/Programs/P01_hello.py b/Programs/P01_hello.py
index 6d8ff9a..2bab912 100644
--- a/Programs/P01_hello.py
+++ b/Programs/P01_hello.py
@@ -4,6 +4,8 @@
 def justPrint(text):
     '''This function prints the text passed as argument to this function'''
     print(text)
+    a=input("Enter a number: ")
+    b=input("Enter another number: ")
     base_value = 10
     increment_value=20
     difference = increment_value - base_value
@@ -12,10 +14,11 @@ def justPrint(text):
     floor_division = increment_value // base_value  # // -> integer division
 
     print("Floor Division:", floor_division)
-    print("Difference is:", increment_value - base_value)
+    # print("Difference is:", increment_value - base_value)
     print("Divide value is:", divide_value)
     print("Multiply value is:", multiply_value)
     print("Modulus:", increment_value % base_value )         # %  -> remainder
+    print('Addition is:', int(a) + int(b))
 
 if __name__ == '__main__':
     justPrint('Hello Sindhuja')
diff --git a/Programs/P02_VariableScope.py b/Programs/P02_VariableScope.py
index 6286822..505eb22 100644
--- a/Programs/P02_VariableScope.py
+++ b/Programs/P02_VariableScope.py
@@ -3,13 +3,13 @@
 
 # LEGB Rule: Local, Enclosing, Global, Built-in
 
-x = 'Global x'
+x = 80  # Global x
 
 def test():
     #global x
-    y = 'Local y'
-    x = 'Local x'
-    print(x +', '+ y) #prints 'Local x' and  'Local y'
+    y = 100  # Local y
+    x = 20
+    print(x + y) #prints 'Local x' and  'Local y'
 
 if __name__ == '__main__':
     test()
diff --git a/Programs/P03_ListsOperations.py b/Programs/P03_ListsOperations.py
index f2d5dfc..53c5d13 100644
--- a/Programs/P03_ListsOperations.py
+++ b/Programs/P03_ListsOperations.py
@@ -1,5 +1,6 @@
 #Author: OMKAR PATHAK
 #This program gives examples about various list operations
+# User story id : Prod - PYTH-003
 
 #Syntax: list[start: end: step]
 
diff --git a/Programs/listoperations.py b/Programs/listoperations.py
new file mode 100644
index 0000000..53c5d13
--- /dev/null
+++ b/Programs/listoperations.py
@@ -0,0 +1,48 @@
+#Author: OMKAR PATHAK
+#This program gives examples about various list operations
+# User story id : Prod - PYTH-003
+
+#Syntax: list[start: end: step]
+
+myList = [1, 2, 3, 4, 5, 6, 7, 8, 9]
+#index    0  1  2  3  4  5  6  7  8
+#        -9 -8 -7 -6 -5 -4 -3 -2 -1
+
+#List Slicing
+print('Original List:',myList)
+print('First Element:',myList[0]) #Prints the first element of the list or 0th element of the list
+print('Element at 2nd Index position:',myList[2]) #Prints the 2nd element of the list
+print('Elements from 0th Index to 4th Index:',myList[0: 5]) #Prints elements of the list from 0th index to 4th index. IT DOESN'T INCLUDE THE LAST INDEX
+print('Element at -7th Index:',myList[-7]) #Prints the -7th or 3rd element of the list
+
+#To append an element to a list
+myList.append(10)
+print('Append:',myList)
+
+#To find the index of a particular element
+print('Index of element \'6\':',myList.index(6)) #returns index of element '6'
+
+#To sort the list
+myList.sort()
+
+#To pop last element
+print('Poped Element:',myList.pop())
+
+#To remove a particular element from the lsit BY NAME
+myList.remove(6)
+print('After removing \'6\':',myList)
+
+#To insert an element at a specified Index
+myList.insert(5, 6)
+print('Inserting \'6\' at 5th index:',myList)
+
+#To count number of occurences of a element in the list
+print('No of Occurences of \'1\':',myList.count(1))
+
+#To extend a list that is insert multiple elemets at once at the end of the list
+myList.extend([11,0])
+print('Extending list:',myList)
+
+#To reverse a list
+myList.reverse()
+print('Reversed list:',myList)