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Collection is empty
Python, List, Dictionary, String · Jan 12, 2023
Checks if the a value is an empty sequence or collection.
- Use
notto test the truth value of the provided sequence or collection.
def is_empty(val):
return not valis_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)) # FalseMore like this
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Converts a list of dictionaries into a list of values corresponding to the specified
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Combines two lists into a dictionary, using the first one as the keys and the second one as the values.