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+
+##################################################
+# This script shows an example of a header and library section. The library section would grow according to
+# the number of libraries you need to make your code work
+##################################################
+#
+##################################################
+# Author: Alex Tong
+# Copyright: Copyright 2020, IAAC
+# Credits: [Institute for Advanced Architecture of Catalonia - IAAC, Advanced Architecture group]
+# License:  Apache License Version 2.0
+# Version: 1.0.0
+# Maintainer: Alex Tong
+# Email: tongalex16@aol.com
+# Status: development
+##################################################
+
+# End of header section
+
+city_name = 'HongKong'
+city_area = 2000
+city_population = 7500000
+city_density = city_population/city_area
+
+print('My city is Hong Kong')
+print('The area of the is:')
+print(city_area)
+print('The population is:')
+print(city_population)
+print('....................\n')
+
+print('The density of the city is')
+print(city_density)