Concatenate dictionariesΒΆ

D.update(d)

Write a python script to concatenate following dictionaries to create a new one.
Sample Dictionary:
dic1={1:10, 2:20}
dic2={3:30, 4:40}
dic3={5:50,6:60}
Expected Result:
{1: 10, 2: 20, 3: 30, 4: 40, 5: 50, 6: 60}
D1 = {1: 10, 2: 20}
D2 = {3: 30, 4: 40}
D3 = {5: 50, 6: 60}
D4 = {}

for d in (D1, D2, D3):
    D4.update(d)

print(D4)    # {1: 10, 2: 20, 3: 30, 4: 40, 5: 50, 6: 60}