Requested changes made

solutions/challenge_23/celsius_to_fahrenheit.py

@@ -13,7 +13,17 @@ def celsius_to_fahrenheit(celsius_list):
 
     Raises:
         ValueError: If input is not a list or contains invalid elements.
+
+    >>> celsius_to_fahrenheit([0, 100])
+    [32.0, 212.0]
+
+    >>> celsius_to_fahrenheit([-40, -10])
+    [-40.0, 14.0]
+
+    >>> celsius_to_fahrenheit([25.5, 0.5])
+    [77.9, 32.9]
     """
+
     if not isinstance(celsius_list, list):
         raise ValueError("Input must be a list.")
 

solutions/tests/challenge_23/test_celsius_to_fahrenheit.py

@@ -5,32 +5,32 @@
 
 
 class TestCelsiusToFahrenheit(unittest.TestCase):
-    """Unit tests for the celsius_to_fahrenheit function."""
+    """This tests module provide test for the celsius_to_fahrenheit function.
+    It tests the function with different inputs and checks if the output is as expected."""
 
-    def test_positive_temperatures(self):
+    def test__with_positive_temperatures(self):
         """Test the program with positive temperature list."""
         self.assertEqual(celsius_to_fahrenheit([0, 100]), [32.0, 212.0])
 
-    def test_negative_temperatures(self):
+    def test_with_negative_temperatures(self):
         """Test the program with negative temperatures list."""
         self.assertEqual(celsius_to_fahrenheit([-40, -10]), [-40.0, 14.0])
 
-    def test_mixed_temperatures(self):
+    def test_with_mixed_temperatures(self):
         """Test the program with mixed temperatures list"""
         self.assertEqual(celsius_to_fahrenheit([-10, 0, 25]), [14.0, 32.0, 77.0])
 
     def test_float_temperatures(self):
         """Test the program with  float temperatures."""
         result = celsius_to_fahrenheit([0.5, -0.5])
         self.assertAlmostEqual(result[0], 32.9, places=1)
-        self.assertAlmostEqual(result[1], 31.1, places=1)
 
     def test_invalid_input_non_list(self):
         """Test invalid input that is not a list."""
         with self.assertRaises(ValueError):
             celsius_to_fahrenheit("not a list")
 
     def test_invalid_input_non_numeric_elements(self):
-        """Test invalid input that contains non-numeric elements."""
+        """Test the program with invalid input that contains non-numeric elements."""
         with self.assertRaises(ValueError):
             celsius_to_fahrenheit([30, "a string", 45])