refactored the prb page and added fib seqq

problems/fibonacisequence/test.py

@@ -0,0 +1,52 @@
+import unittest
+
+class TestSolution(unittest.TestCase):
+    def test_simple(self):
+        test_cases = [
+            (0, 0),     # Base case: n = 0
+            (1, 1),     # Base case: n = 1
+            (2, 1),     # Fibonacci(2) = 1
+            (3, 2),     # Fibonacci(3) = 2
+            (5, 5),     # Fibonacci(5) = 5
+            (9, 34),    # Fibonacci(9) = 34
+        ]
+        
+        print("\n=== Function Output Test Results ===")
+        for input_val, expected in test_cases:
+            try:
+                actual = fibonacci(input_val)  # pyright: ignore[reportUndefinedVariable]
+                status = "✓ PASS" if actual == expected else "✗ FAIL"
+                print(f"{status} | Input: {input_val} -> Got: {actual} | Expected: {expected}")
+                self.assertEqual(actual, expected)
+            except Exception as e:
+                print(f"✗ ERROR | Input: {input_val} -> Exception: {e}")
+                raise
+
+if __name__ == "__main__":
+    unittest.main(verbosity=2)
+
+"""
+def fibonacci(n):
+    a = 0
+    b = 1
+    
+    # Check if n is less than 0
+    if n < 0:
+        print("Incorrect input")
+        
+    # Check if n is equal to 0
+    elif n == 0:
+        return 0
+      
+    # Check if n is equal to 1
+    elif n == 1:
+        return b
+    else:
+        for i in range(1, n):
+            c = a + b
+            a = b
+            b = c
+        return b
+
+print(fibonacci(9))
+"""