Add more unit tests for Euclidean length method

Author: tianyizheng02

linear_algebra/src/lib.py

@@ -164,6 +164,8 @@ def euclidean_length(self) -> float:
         5.385164807134504
         >>> Vector([1]).euclidean_length()
         1
+        >>> Vector([0, -1, -2, -3, 4, 5, 6]).euclidean_length()
+        9.539392014169456
         >>> Vector([]).euclidean_length()
         Traceback (most recent call last):
         ...

linear_algebra/src/test_linear_algebra.py

@@ -48,8 +48,12 @@ def test_euclidean_length(self) -> None:
         """
         x = Vector([1, 2])
         y = Vector([1, 2, 3, 4, 5])
+        z = Vector([0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
+        w = Vector([1, -1, 1, -1, 2, -3, 4, -5])
         self.assertAlmostEqual(x.euclidean_length(), 2.236, 3)
         self.assertAlmostEqual(y.euclidean_length(), 7.416, 3)
+        self.assertEqual(z.euclidean_length(), 0)
+        self.assertAlmostEqual(w.euclidean_length(), 7.616, 3)
 
     def test_add(self) -> None:
         """