Hi Everyone ## Finding vaccination booking slot is open or close in Chennai
Rengaraj gave a talk on selenium - He explained how he avoided queue in getting token at vaccine center in Chennai using a small piece of code - He navigate through various windows in www.gccvaccine.in to determine vaccine booking is open or close - He explained how to extract xpath using xpath helper chrome extension - He used xpath to find the element object and give that in put to action chains - He also explained little on dbus notification object to notify users once the vaccine slot is available or not. ## Event-State-Action Paradigm Vijaykumar gave a talk on state charts and how it is used in mobile application development. - He gave a demo of a quiz app implemented without state chart and with state chart. - He used sismic python library for state charts. - He explained how business logic is moved outside the code using state charts - He showed a yaml state chart definition file which has following defined - states - target - event - gaurd - actions - transition - on entry ## FastAPI Thangaselvi gave a talk on FastAPI - She started with the history of FastAPI and how it evolved in a short duration - She gave a demo api written using FastAPI - She had a doubt on the async method used with FastAPI - Pramesh asked to see asyncio.ensure_future to overcome her issue. ## Data cleaning with python Sasirekha gave an impromptu talk, She explained various methods to follow while cleaning the data like - Filling missing data - Cleaning Outlier data on a records She shown example on a jupiter notebook using an advertisement record - explained how to drop a column or row having NaN value - explained cleaning outlier values using age of a person Regards Rengaraj
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