KwickClips Python · 44 sec · free
Why is "Riya Shah".isalpha() False?
Short answer. The space is not a letter.
What does isalnum() check?
That every character is a letter or a digit.
Remember
| A space is not a letter |
| islower, isupper, isspace too |
Only letters, right? Python says False. Why? Is-methods check every character. Riya is all letters, so True. Riya Shah has a space, so False. Class nine is alnum. A space is not a letter. Is lower, is upper and is space work the same.
This clip is from the full lesson: Built-in String Methods — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 9 Artificial Intelligence (417), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science Essentials (083)
More KwickClips from this lesson
What is the difference between capitalize() and title()?40 sec
What does find() return if the text is not found?42 sec
What is the opposite of split()?44 sec
How do you check a palindrome in Python?41 secVoice-over is AI-generated; the script is written and checked by Kajal Ma'am. Confirm anything you plan around against your official board document. We never ask for a password or an OTP.