# Python code to demonstrate working of 
# setitem(), delitem() and getitem()

# importing operator module 
import operator

# Initializing list
li = [1, 5, 6, 7, 8]

# printing original list 
print ("The original list is : ",end="")
for i in range(0,len(li)):
    print (li[i],end=" ")

print ("\r")

# using setitem() to assign 3 at 4th position
operator.setitem(li,3,3)

# printing modified list after setitem()
print ("The modified list after setitem() is : ",end="")
for i in range(0,len(li)):
    print (li[i],end=" ")

print ("\r")

# using delitem() to delete value at 2nd index
operator.delitem(li,1)

# printing modified list after delitem()
print ("The modified list after delitem() is : ",end="")
for i in range(0,len(li)):
    print (li[i],end=" ")

print ("\r")

# using getitem() to access 4th element
print ("The 4th element of list is : ",end="")
print (operator.getitem(li,3))

# Python code to demonstrate working of 
# setitem(), delitem() and getitem()

# importing operator module 
import operator

# Initializing list
li = [1, 5, 6, 7, 8]

# printing original list 
print ("The original list is : ",end="")
for i in range(0,len(li)):
    print (li[i],end=" ")

print ("\r")

# using setitem() to assign 2,3,4 at 2nd,3rd and 4th index
operator.setitem(li,slice(1,4),[2,3,4])

# printing modified list after setitem()
print ("The modified list after setitem() is : ",end="")
for i in range(0,len(li)):
    print (li[i],end=" ")

print ("\r")

# using delitem() to delete value at 3rd and 4th index
operator.delitem(li,slice(2,4))

# printing modified list after delitem()
print ("The modified list after delitem() is : ",end="")
for i in range(0,len(li)):
    print (li[i],end=" ")

print ("\r")

# using getitem() to access 1st and 2nd element
print ("The 1st and 2nd element of list is : ",end="")
print (operator.getitem(li,slice(0,2)))

# Python code to demonstrate working of 
# concat() and contains()

# importing operator module 
import operator

# Initializing string 1
s1 = "geeksfor"

# Initializing string 2
s2 = "geeks"

# using concat() to concatenate two strings
print ("The concatenated string is : ",end="")
print (operator.concat(s1,s2))

# using contains() to check if s1 contains s2
if (operator.contains(s1,s2)):
       print ("geeksfor contains geeks")
else : print ("geeksfor does not contain geeks")

# Python code to demonstrate working of 
# and_(), or_(), xor(), invert()

# importing operator module 
import operator

# Initializing a and b

a = 1

b = 0

# using and_() to display bitwise and operation
print ("The bitwise and of a and b is : ",end="")
print (operator.and_(a,b))

# using or_() to display bitwise or operation
print ("The bitwise or of a and b is : ",end="")
print (operator.or_(a,b))

# using xor() to display bitwise exclusive or operation
print ("The bitwise xor of a and b is : ",end="")
print (operator.xor(a,b))

# using invert() to invert value of a
operator.invert(a)

# printing modified value
print ("The inverted value of a is : ",end="")
print (operator.invert(a))