changes

solutions/tests/test_kgs_to_lbs.py

@@ -0,0 +1,54 @@
+""" "
+Created on 0084/01/2025
+@author: Arwa Mohamed
+
+"""
+
+
+def kg_to_lbs(kg):
+    """Converts a given weight from kilograms (kg) to pounds (lbs).
+
+    Parameters:
+        kg (float): Weight in kilograms.
+
+    Returns:
+        float: Equivalent weight in pounds.
+
+    >>> kg_to_lbs(75):
+    165.347
+
+    >>> kg_to_lbs(34):
+    74.957
+
+    >>> kg_to_lbs(10):
+    22.046
+
+    Raises:
+        ValueError: If the input is not a positive number.
+    """
+    if kg < 0:
+        raise ValueError("Weight cannot be negative.")
+    return kg * 2.20462
+
+
+import unittest
+
+
+class TestKgToLbs(unittest.TestCase):
+    def test_positive_conversion(self):
+        self.assertAlmostEqual(kg_to_lbs(1), 2.20462, places=5)
+        self.assertAlmostEqual(kg_to_lbs(5), 11.0231, places=4)
+
+    def test_zero_conversion(self):
+        self.assertEqual(kg_to_lbs(0), 0)
+
+    def test_negative_input(self):
+        with self.assertRaises(ValueError):
+            kg_to_lbs(-1)
+
+    def test_large_value(self):
+        self.assertAlmostEqual(kg_to_lbs(1000), 2204.62, places=2)
+
+
+if __name__ == "__main__":
+    unittest.main()