3. Write the inverse function day_num which is given a day name, and returns its number: test (day_num ("Friday") test (day_num ("Sunday") == 0) test (day_ num(day_name (B)) == 3) test (day_name...

Using python programming and if you can have a screenshot that will be helpful thank you #4

Extracted text: 3. Write the inverse function day_num which is given a day name, and returns its number: test (day_num ("Friday") test (day_num ("Sunday") == 0) test (day_ num(day_name (B)) == 3) test (day_name (day_num (" Thursday")Y == "Thursday") 5) Once again, if this function is given an invalid argument, it should return None: test (day_num ("Halloween") == None) 4. Write a function that helps answer questions like ““Today is Wednesday. I leave on holiday in 19 days time. What day will that be?" So the function must take a day name and a delta argument the number of days to add– and should return the resulting day name: test (day_add ("Monder test (day add (Tuesdiay test (dayada H test (day_add (


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