Base code for one of the CRM Science Lab Coat Challenges

LabCoatChallenge_CollectingStrings.cls

/*  LAB COAT CHALLENGE:  What is the minimum amount of lines
    needed in order to condense these strings, lists, and
    sets into a single list of 10 strings? */

//  Properties to begin with
string string1 = 'string1';
string string2 = 'string2';
list<string> list1 = new list<string>{'string3','string4'};
list<string> list2 = new list<string>{'string5','string6'};
set<string> set1 = new set<string>{'string7','string8'};
set<string> set2 = new set<string>{'string9','string10'};

/*  Start here!  Add whatever code you need to consolidate 
    those strings into a single list called mergedList */
list<string> mergedList...

/*  Make sure you end up with 10 strings in the mergeList 
    collection so your answer is valid! */
system.assert(mergedList.size() == 10);