Printing a dictionary within a dictionary : {'a': 100, 'b': 200, 'c': 300, 'd': {'d1': 410, 'd2': 420}, 'e': 500}
Printing the content of element 'd' ..... : {'d1': 410, 'd2': 420}

Printing dictionary containing lists .... : {'a': ['a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8'], 'b': ['b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8'], 'c': ['c1', 'c2', 'c3', 'c4', 'c5', 'c6', 'c7', 'c8']}
Printing the first element only ......... : ['a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8']
Printing the second element only ........ : ['b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8']
Printing the third element only ......... : ['c1', 'c2', 'c3', 'c4', 'c5', 'c6', 'c7', 'c8']
Printing element 'b6' only .............. : b6
Printing the length of the dictionary ... : 3 <-- notice it is 3
Printing the length of element 'a' ...... : 8
Adding a new list to the dictionary ..... : ['d1', 'd2', 'd3', 'd4', 'd5', 'd6', 'd7', 'd8']
Printing dictionary containing lists .... : {'a': ['a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8'], 'b': ['b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8'], 'c': ['c1', 'c2', 'c3', 'c4', 'c5', 'c6', 'c7', 'c8'], 'd': ['d1', 'd2', 'd3', 'd4', 'd5', 'd6', 'd7', 'd8']}