// Example
var ourStr = "I come first. " + "I come second.";
// Only change code below this line
var myStr ="This is the start." + "This is the end.";
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Notice the space after the full stop in "This is the start. ".
If you don’t put this space then your output will look like this This is the start.This is the end.,whereas the expected output is This is the start. This is the end.