do questions on a platform similar to leetcode, youdao connectivity search. The function is placed in the class instead of using def _ _ init__ at the beginning of the class, an empty dictionary is declared directly but when you run the problem-...
for doubts about variable objects, please give us some advice. Thank you! problem description: The element of tuple tuple can only hold immutable objects, and the element in it can be list list , because what is actually stored is the address ...
PY built-in dictionary dynamic view is weak and can only be displayed in one way and cannot be updated in both directions. You can t press the key to take a value . is there a library with such a function two dictionaries share some key values with e...