how to get the key of the dictionary in python 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

Example 2: find key by value python

print(list(d.keys())[list(d.values()).index(990)])