1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
def repeat_count(n: int) -> int:
x = 0
for _ in range(n):
x += 2
return x
def sum_indices(n: int) -> int:
# `_` is a legal (if conventionally unused) binding — read it in the body.
total = 0
for _ in range(n):
total += _
return total
def nested_grid_count(n: int, m: int) -> int:
# Nested `for _` need distinct counters; the outer increment must not hit
# the inner shadow.
c = 0
for _ in range(n):
for _ in range(m):
c += 1
return c
def comp_const(n: int) -> list[int]:
return [7 for _ in range(n)]
def comp_read(n: int) -> int:
xs = [_ * _ for _ in range(n)]
return sum(xs)
def set_comp_size(n: int) -> int:
s = {_ % 3 for _ in range(n)}
return len(s)