diff --git a/src/random_number.py b/src/random_number.py
new file mode 100644
index 0000000..5e92e3c
--- /dev/null
+++ b/src/random_number.py
@@ -0,0 +1,4 @@
+from random import randint
+
+def random_number(min: int, max: int) -> int:
+    return randint(min, max)
diff --git a/tests/test_random_number.py b/tests/test_random_number.py
new file mode 100644
index 0000000..f6df5ae
--- /dev/null
+++ b/tests/test_random_number.py
@@ -0,0 +1,5 @@
+from src.random_number import random_number
+
+def test_random_number() -> None:
+    t = random_number(0, 100)
+    assert t >= 0 and t <= 100