Boolean in Python — Python Technical Interview Questions & Answers

Boolean in Python

Boolean in Python

  • Boolean is True or False — capital T and F. Comparisons create them: 3 > 2 is True. if and while read booleans. Combine with and, or, not. Many values act truthy or falsy inside if: 0, "", [], None are false; most other values are true.
  • bool(x) converts using those rules. Writing true or false like JavaScript is a NameError. Viva: capital True/False, then one and/or example: True and False → False.
  • Boolean in Python — output: True, False, True. Empty string is falsy.

Technical Interview Tip: Capital T/F — not true/false.

Code Examples for Boolean in Python

Example

# Boolean
print(72 >= 40)
print(bool(""))
print(bool("Asha"))

Boolean in Python — output: True, False, True. Empty string is falsy.

How to Explain Boolean in Python to an Interviewer

Explain Boolean as if you are teaching a junior — definition, then one tiny script.

True / False. and or not.

What does the example print, and why?

Boolean in Python — output: True, False, True

What mistake do freshers make with Boolean?

true/false lowercase.