Source - Cource page
##First task (COMPLITED!)
##Second task (COMPLITED!)
- Making class for complex num`s
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##Fifth task (COMPLITED (but not CHECKED)!)
##Sixth task (IN PROGRESS!)
##First task (COMPLITED!)
##Second task (COMPLITED!)
##Third task (COMPLITED!)
##Fourth task (COMPLITED!)
##Fifth task (COMPLITED (but not CHECKED)!)
##Sixth task (IN PROGRESS!)