Task5 for "System analysis and decision making" course
Example of using the function:
import task5
a = json.dumps(["1", ["2","3"],"4", ["5", "6", "7"], "8", "9", "10"])
b = json.dumps([["1","2"], ["3","4","5"], "6", "7", "9", ["8","10"]])
print(task5.task(a,b))