diff --git a/logistic.py b/logistic.py
index e49d1c2..5382c65 100644
--- a/logistic.py
+++ b/logistic.py
@@ -1 +1,3 @@
-# Your code goes here
+def f(x , r):
+    """Compute the logistic map for a given value of x and r"""
+    return r * x * (1 - x)
diff --git a/test_logistic.py b/test_logistic.py
index 9391bee..142f64e 100644
--- a/test_logistic.py
+++ b/test_logistic.py
@@ -4,7 +4,6 @@
 
 # Add here your test for the logistic map
 
-
 def test_f_corner_cases():
     # Test cases are (x, r, expected)
     cases = [
@@ -14,3 +13,15 @@ def test_f_corner_cases():
     for x, r, expected in cases:
         result = f(x, r)
         assert_allclose(result, expected)
+
+
+def test_f_generic_cases():
+    # Test cases are (x, r, expected)
+    cases = [
+        (0.1, 2.2, 0.198),
+        (0.2, 3.4, 0.544),
+        (0.5, 2, 0.5)
+    ]
+    for x, r, expected in cases:
+        result = f(x, r)
+        assert_allclose(result, expected)