# a=[1,2,3,4]
# b=[for i in a if i%2==0]
# print b

# a=[("twinkle":20),("venu":19),("anjali":18),("jannat":19)]
# b = [i for i (a,age) if 20>age]:
# print b


# a=[[1,2,3],[1,2,3],[1,2,3]]
# [[for i in range 3,7]] for j in range(3)

# dic={}
# dic["name"]="kajal"
# print dic


a = {i:i*i for i in range(1,10)}
print a