# g={"math":4,"phy":3.8,"chem":3.6,"eng":3.7}
# print(g["zoology"])
# g_1=g
# g_2=g.copy()
# g_3=dict(g)
#
# g_value=[1,2,3,4]
#
# for g in g.keys():
#     g_1[g]=g_value[0]
#     g_2[g]=g_value[1]
#     g_3[g]=g_value[2]
#
#     print(int(g["math"]+g_1["math"]+g_2["math"]+g_3["math"]))
#
# a={5,6,7,8}
# a[2]=45
# print(a)
# # a.add(5)
# # print(a)
#
# a=[5,5,6,7,7,7]
# b=set(a)
# def test(lst):
#     if lst in b:
#         return 1
#     else:
#         return 0
# for i in filter(test,a):
#     print(i,end=" ")

# s={5,6}
# print(s*3)
#
# a={5,6}
# b={1,2,4,5}
# print(a<b)
#
# name="snow storm"
# name[5]="x"
# print(name)

a={4,5,6}
b={2,8,6}
print(a+b)

