Update qhelp

python/ql/src/Functions/examples/IterReturnsNonSelf.py

@@ -0,0 +1,13 @@
+class MyRange(object):
+    def __init__(self, low, high):
+        self.current = low
+        self.high = high
+
+    def __iter__(self):
+        return (self.current, self.high) # BAD: does not return `self`.
+
+    def __next__(self):
+        if self.current > self.high:
+            return None
+        self.current += 1
+        return self.current - 1