--- title: Collection is empty type: snippet language: python tags: [list,dictionary,string] author: chalarangelo cover: salad-1 dateModified: 2023-01-12T05:00:00-04:00 --- Checks if the a value is an empty sequence or collection. - Use `not` to test the truth value of the provided sequence or collection. ```py def is_empty(val): return not val ``` ```py is_empty([]) # True is_empty({}) # True is_empty('') # True is_empty(set()) # True is_empty(range(0)) # True is_empty([1, 2]) # False is_empty({ 'a': 1, 'b': 2 }) # False is_empty('text') # False is_empty(set([1, 2])) # False is_empty(range(2)) # False ```