ch = 0 

list = [] 

while true : 

print “List Menu” 

print “1. Adding” 

print “2.Modify” 

print “3.Delete” 

print “4.Sort list” 

print “5.Display list” 

print “6.Exit”

ch = int (raw_input (“Enter your choice :”)) if ch = = 1 : 

print “1.Add element” 

print “2.Add a List” 

ch1 = int (raw_input 

(“Enter choice 1 or 2:”)) 

if chi = = 1: 

item = int

(raw_input (“Enter element:”)) 

pos = int (raw_input 

(“Enter position to add : “)) 

list.insert (pos, item) 

elif chi = = 2 : 

list2 = eval (raw_input (“Enter list:”))

list.extend (lst2) 

else: 

print “Valid choices are 1 or 2” 

print “Successfully added” elif ch = = 2 : 

pos = int (raw_input 

(“Enter position :”)) 

intem = int (raw_input 

(“Enter new value :”)) 

old = list[pos] 

list[.pos] = item 

print old, ‘modified with vlaue”, item elif ch = = 3: 

print “1.Delete element by position” 

print “2.Delete element by value”

ch1 = int (raw_input (“Enter you choice 1 or 2’)) 

if chi = = 1: 

pos = int (raw_input (“Enter position :”)) 

item = list.pop (pos)

print item, “deleted” 

elif ch1 = = 2: 

item = int (raw_input (“Enter element:”)) 

pos = list.remove (item) 

print “Succcessfully delted”

else : 

print “Valid choices are 1 or 2” 

elif ch = = 4 : 

print “l.Ascending” 

print “2.Descending” 

chi = int (raw input (“Enter choice 1 or 2”))

 if chi = = 1: 

list. sot () elif ch1 = = 2: 

list.sort (reverse = True) 

else :

print “Valid choices are 1 or 2” 

elif ch = = 5: 

print list elif ch = = 6: 

break

else : 

print “valid choice 1 to 6”