30秒学会 Python 片段 – min_by
Returns the minimum value of a list, after mapping each element to a value using the provided functi...
Returns the minimum value of a list, after mapping each element to a value using the provided functi...
Returns true if the elements of the first collection are contained in the second one regardless of o...
Returns true if any of the elements in values are included in itr, false otherwise. Use Iterable.any...
Returns a flat list of all the keys in a flat dictionary. Use dict.keys() to return the keys in the ...
Maps the values of a list to a dictionary using a function, where the key-value pairs consist of the...
Groups the elements of a list based on the given function and returns the count of elements in each ...
Returns the head of a list. Use lst[0] to return the first element of the passed list.
Returns a list of elements that exist in both lists, after applying the provided function to each li...
Returns the last element in a list. Check if lst has a non-zero length, use lst[lst.length – 1] if p...
Returns a Dictionary with the unique values of a collection as keys and their frequencies as the val...