how to get key in python dictionary code example

Example 1: how to get key of a particular value in dictionary python using index

mydict = {'george': 16, 'amber': 19}
print(list(mydict.keys())[list(mydict.values()).index(16)])  # Prints george

d = {1:1, 2:2, 3:3}
d_keys_list = list(d.keys())