KnowCardPython · Control Structures
What does the walrus operator := do, and where is it used?
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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
```
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