Add relative import example

Author: braboj

examples/A21_import_system/import_absolute.py

@@ -0,0 +1,16 @@
+# Shows how to enforce and use absolute imports.
+# ------------------------------------------------------------------------------
+# Example script demonstrating absolute imports.
+from __future__ import absolute_import
+# Using absolute imports
+import asyncio
+
+# Absolute imports
+from foo.api.submodule1 import func1
+from foo.core.submodule2 import func2
+from foo.gui.submodule3 import func3
+
+# Call all functions
+func1()
+func2()
+func3()