-
Notifications
You must be signed in to change notification settings - Fork 5.3k
Expand file tree
/
Copy pathprime.py
More file actions
32 lines (28 loc) · 810 Bytes
/
prime.py
File metadata and controls
32 lines (28 loc) · 810 Bytes
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
import pytest
def is_prime(number: int) -> bool:
if number <= 1:
return False
for i in range(2, int(number**0.5) + 1):
if number % i == 0:
return False
return True
@pytest.mark.parametrize(
"number, expected",
[
(2, True), # Smallest prime
(3, True), # Prime
(4, False), # Composite (2*2)
(5, True), # Prime
(11, True), # Prime
(12, False), # Composite (2*6)
(13, True), # Prime
(25, False), # Composite (5*5)
(29, True), # Prime
(1, False), # Not prime by definition
(0, False), # Not prime
(-1, False), # Negative number
(-11, False), # Negative number
],
)
def test_is_prime(number, expected):
assert is_prime(number) == expected