python count the number of keys in a python dictionary

1pythonCopydict1 = {'a':1,'b':2,'c':3}
2print(len(dict1.keys()))
3

1#Call len(obj) with a dictionary as obj to count the number 
2#of key-value pairs in the dictionary.
3
4a_dictionary = {"a": 1, "b": 2}
5print(len(a_dictionary))
6
7OUTPUT:
82