micropython: add micropython component

components/language/micropython/tests/basics/for3.py

@@ -0,0 +1,11 @@
+# test assigning to iterator within the loop
+for i in range(2):
+    print(i)
+    i = 2
+
+# test assigning to range parameter within the loop
+# (since we optimise for loops, this needs checking, currently it fails)
+n = 2
+for i in range(n):
+    print(i)
+    n = 0