how to use dict.fromkeys code example

Example: fromkeys in python

sequence1={1,2,3}
sequence2={"a","b","c"}
values1="Numbers"
values2="Alphabets"
dict1.fromkeys(sequence1,values1)
#returns {1: 'Numbers', 2: 'Numbers', 3: 'Numbers'}

dict2.fromkeys(sequence2,values2)
#returns {'c': 'Alphabets', 'b': 'Alphabets', 'a': 'Alphabets'}