John has invited some friends. His list is:
s = "Fred:Corwill;Wilfred:Corwill;Barney:Tornbull;Betty:Tornbull;Bjon:Tornbull;Raphael:Corwill;Alfred:Corwill";
Could you make a program that:
-makes this string uppercase
-gives it sorted in alphabetical order by last name
When the last names are the same, sort them by first name. Last name and first name of a guest come in the result between parentheses separated by a comma.
So the result of function
meeting(s) will be:
"(CORWILL, ALFRED)(CORWILL, FRED)(CORWILL, RAPHAEL)(CORWILL, WILFRED)(TORNBULL, BARNEY)(TORNBULL, BETTY)(TORNBULL, BJON)"
It can happen that in two distinct families with the same family name two people have the same first name too.
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