KnowCardPython · Control Structures
Is if x: print("a"); print("b") valid, and does print("b") run only when x is true?
Answer locked. Get the free KnowCard app to reveal it — plus spaced-repetition review so it actually sticks.
More in Control Structures
Why does (n := len(lst)) usually need parentheses inside a bigger expression?
What does this print?
```
for n in [2, 4, 6]:
if n == 5:
break
else:
print("done")
```
A for/while loop's else branch runs in which case: when the loop hits break, or when it does NOT?
break vs continue inside a loop: what does each do?
What is printed?
```
n = 5
while n > 0:
n -= 1
if n == 2:
continue
print(n, end=" ")
```
What is the value of var?
```
x = 7
var = 20 if x == 1 else 30
```
Start learning today
Free to start — download the app or use it in your browser.