'''
my_stuff = {'book':'CookBook','phone':'iphone','Home':'Bangladesh'}
print(my_stuff['book'])
'''

'''
x = {0:100,1:200,3:400}
print(x[1])
'''

'''
a = [1,2,3]
b = [2,3,1]

print( a==b)

c = { 1:100,2:200}
d = { 2:200,1:100}

print(c == d)
'''
#concatenating two dictionaries
D = {'a':100,'b':200}
E = {'c':300,'d':400}

new_dic = D.copy()
new_dic.update(E)
print(new_dic)

