All modules for which code is available

• Exercises.essentials.basic_loops.inventory.inventory
• Exercises.essentials.file_io.ascii_log_file.ascii_log_file
• Exercises.essentials.file_io.star_catalog.star_catalog
• Exercises.essentials.functions.great_circle.great_circle
• Exercises.essentials.list_comprehensions.climate_data_collection.climate_data_collection
• Exercises.essentials.list_comprehensions.filter_words_list_comp.filter_words
• Exercises.essentials.lists.katrina_adv_analyz.katrina_adv_analyz
• Exercises.essentials.lists.managing_acme.managing_acme