Python return null string

I will use it in the if statement and a few compound data types. See the example with the code below where the same code is used as in the above example except the comparison operator:. Similarly, you may use the Null value in the compound data type List.

Just use the None keyword as in case of sets. Using anything but None for default, arguments make objects and functions less extensible. Our class still behaves the same but is easier to extend. Look how we no longer need to worry about the default value constant in our Tabby to maintain the same method signature:. As all objects in Python are implemented via references, See the code below In a much older version of Python before 2. Another example to check if string is empty or contain only spaces, using regex,.

So, here we discussed four different techniques to check if a given string is empty or blank in python. Your email address will not be published.

This site uses Akismet to reduce spam. Learn how your comment data is processed. Check if a string is empty using len len function in python accepts a sequence as an argument and returns the number of elements in that sequence. Related Posts. Leave a Comment Cancel Reply Your email address will not be published. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site.

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