update template code

mmp/a7/dataset.py

@@ -0,0 +1,2 @@
+# copy your dataset.py code from assignment 6 here
+# everything that you want points for has to be in this folder

mmp/a7/main.py

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+def main():
+    """Put the surrounding training code here. The code will probably look very similar to last assignment"""
+    raise NotImplementedError()
+
+
+if __name__ == "__main__":
+    main()