How to Create and Check If a Numpy Array is Empty
In numpy, “empty” is an ambiguous term because an empty array means an array with zero elements or an uninitialized…
How to Create and Check Empty Dictionary in Python
What does it mean when you hear an empty dictionary? An empty dictionary does not have key-value pairs. There is…
How to Create and Check Empty DataFrame in Pandas
What does it mean when you say an empty DataFrame? An empty dataframe does not have any rows, but it…
How to Create and Check an Empty List in Python
What do you think of when you hear “an empty list?” Your first thought would be a list with zero…
How to Create and Check an Empty String in Python
An empty string in Python means there are no characters in it. Even spaces can be counted as characters, so…
How to Create and Check an Empty Tuple in Python
An empty tuple means a tuple without any elements. For example, you can call this “()” an empty tuple. Tuples…
How to Convert Tuple to Frozenset in Python
The most optimal and fastest way to convert a tuple to a frozenset is to use the frozenset() constructor and…
How to Find the Length of a List in Python
Optimal solution The most efficient and recommended way to find the list’s length is to use the built-in len() function…
Get First Element from Each Tuple in a List of Tuples in Python
The fastest, most reliable, and concise method to get the first element from each tuple in the list of tuples…
How to Count the Number of None and NaN Values in Python List
None in Python acts as Null values. None and NaN are different objects. None means an absence of the object,…
