added test

pytestdemo/paranthesis_test.py

@@ -0,0 +1,53 @@
+import io, typing
+from pathlib import Path
+
+
+def is_balanced_file_object(file_object: typing.IO[str]) -> bool:
+    text = file_object.read()
+    counter = 0
+    for letter in text:
+        if letter == "(":
+            counter += 1
+        if letter == ")":
+            counter -= 1
+        if counter < 0:
+            return False
+    return counter == 0
+
+
+def is_balanced_file(file_path: Path) -> bool:
+    with open(file_path, "r") as file_:
+        return is_balanced_file_object(file_)
+
+
+def test_is_balanced_file_object() -> None:
+    assert is_balanced_file_object(io.StringIO(""))
+    assert is_balanced_file_object(io.StringIO("()"))
+    assert is_balanced_file_object(io.StringIO("(()())"))
+    assert not is_balanced_file_object(io.StringIO("((())"))
+    assert not is_balanced_file_object(io.StringIO("(()))"))
+    assert not is_balanced_file_object(io.StringIO(")"))
+
+
+def get_first_two_numbers(lst, target):
+    for e in lst:
+        if (target - e) in lst:
+            return tuple(sorted((e, target - e)))
+
+
+def test_get_two_numbers():
+    lst = [55, 20, 76, 34, 80, 26]
+    target = 100
+    assert get_first_two_numbers(lst, target) == (20, 80)
+
+
+def test_get_two_numbers_2():
+    lst = [55, 80, 76, 34, 20, 26]
+    target = 100
+    assert get_first_two_numbers(lst, target) == (20, 80)
+
+
+def test_get_two_numbers_3():
+    lst = [55, 30, 80, 76, 34, 70, 20, 26]
+    target = 100
+    # assert get_first_two_numbers(lst, target) == (20, 80)