micropython: add micropython component

components/language/micropython/tests/basics/scope.py

@@ -0,0 +1,43 @@
+# test scoping rules
+
+# explicit global variable
+a = 1
+def f():
+    global a
+    global a, a # should be able to redefine as global
+    a = 2
+f()
+print(a)
+
+# explicit nonlocal variable
+def f():
+    a = 1
+    def g():
+        nonlocal a
+        nonlocal a, a # should be able to redefine as nonlocal
+        a = 2
+    g()
+    return a
+print(f())
+
+# nonlocal at inner-inner level (h)
+def f():
+    x = 1
+    def g():
+        def h():
+            nonlocal x
+            return x
+        return h
+    return g
+print(f()()())
+
+# nonlocal declared at outer level (g), and referenced by inner level (h)
+def f():
+    x = 1
+    def g():
+        nonlocal x
+        def h():
+            return x
+        return h
+    return g
+print(f()()())