diff --git a/d00/ex06/ft_filter.py b/d00/ex06/ft_filter.py
new file mode 100644
index 0000000..22933e4
--- /dev/null
+++ b/d00/ex06/ft_filter.py
@@ -0,0 +1,12 @@
+# filter https://docs.python.org/3.10/library/functions.html#filter
+def ft_filter(function, iterable):
+    """filter(function or None, iterable) --> filter object
+
+Return an iterator yielding those items of iterable for which function(item)
+is true. If function is None, return the items that are true."""
+
+    # iter https://docs.python.org/3.10/library/functions.html?highlight=iter#iter
+    if function is None:
+        return iter([item for item in iterable if item])
+    else:
+        return iter([item for item in iterable if function(item)])
diff --git a/d00/ex06/tester.py b/d00/ex06/tester.py
new file mode 100644
index 0000000..71022a8
--- /dev/null
+++ b/d00/ex06/tester.py
@@ -0,0 +1,19 @@
+from ft_filter import ft_filter
+
+print("- 0 filter        :\n\n", filter.__doc__)
+print("\n    ft_filter     :\n\n", ft_filter.__doc__)
+print("")
+
+msg = "Hello World"
+
+print("- 1 filter        :", filter(None, msg))
+print("    ft_filter     :", ft_filter(None, msg))
+
+print("- 2 filter        :", filter(str.isupper, msg))
+print("    ft_filter     :", ft_filter(str.isupper, msg))
+
+print("- 3 filter        :", list(filter(None, msg)))
+print("    ft_filter     :", list(ft_filter(None, msg)))
+
+print("- 4 filter        :", list(filter(str.isupper, msg)))
+print("    ft_filter     :", list(ft_filter(str.isupper, msg)))
\ No newline at end of file