Flow Control & Loops

What is the purpose of 'elif'?

What is the output of range(5, 0, -1)?

Can we use 'is' for value comparison?

When does the 'else' block of a loop run?

What is a 'sentinel value'?

Output: for x in [1, 2]: x? (if x is printed)

What is nested loop?

How to exit all nested loops?

What is the result of 'if None:'?

What is a list comprehension?

Output: [x*2 for x in range(3)]?

Can list comprehension have if-else?

What is the walrus operator (:=)?

Valid walrus: if (n := len(L)) > 0:?

What is enumerate()?

Output of for i, v in enumerate(['a']): print(i, v)?

What is zip() used for?

What happens if zipped lists have different lengths?

What is the zip_longest function?

What is the __bool__ method?

What are 'short-circuit' operators?

Result of 1 or 1/0?

Result of 0 and 1/0?

Which loop is 'entry-controlled'?

Does Python have a do-while loop?

Output: x = 1; x = x++ (in concept)?

Purpose of the 'pass' statement?

Is 'if True: pass' valid?

What is a 'dead code' block?

What is an 'infinite loop'?