Definizione degli iteratori

iterators/main.py

@@ -0,0 +1,21 @@
+class MyIterator:
+    def __iter__(self):
+        self.__myattr = 2
+        return self
+
+    def __next__(self):
+        if self.__myattr < 300:
+            n = self.__myattr
+            self.__myattr *= 2
+            return n
+        else:
+            raise StopIteration
+
+
+def main():
+    for x in MyIterator():
+        print(x)
+
+
+if __name__ == '__main__':
+    main()