Adding more folders to chapter 2

Chapter2/module_reusable/main_panda.py

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+
+import mypanda
+
+def my_main():
+
+    dict = {"country": ["Brazil", "Russia", "India", "China", "South Africa"],
+            "capital": ["Brasilia", "Moscow", "New Dehli", "Beijing", "Pretoria"],
+            "area": [8.516, 17.10, 3.286, 9.597, 1.221],
+            "population": [200.4, 143.5, 1252, 1357, 52.98]}
+
+    mypanda.print_dataframe (dict)
+
+""" This is executed only if the special variable '__name__' is set as main"""
+if __name__ == "__main__":
+    my_main()