Simple task in python

I will need a task in python. It is a part from bigger program! [login to view URL] item 5 - allows the user to enter an integer value n greater than 3,500,000 (need to check input n and offer re - entry if value is less than wanted). Two process threads are started: the first thread makes a list of even numbers of the default interval [0, n], and the other enters the list of obtained numbers increased by [of each number (list element) in the text file [login to view URL], after the list is complete made (the thread that makes it is identified by the name given to it by the system and displays a completion message). When implementing it is necessary to use the appropriate mechanism for time adjustment of multi - thread work (independently evaluate and select which mechanism, based on the type of problem to be solved). 6. Menu item 6 - the user is allowed to enter a positive integer value, not less of 10 or more than 150,000 (it is necessary to check the entry and offer re - entry if value does not match the interval). Program 35350350350350350350 subtracts cubes numbers ranging from 1 to the entered value using three threads (interval values budget evenly distributed among the trees). It is necessary to calculate how much for each tree has been performed for a long time, and at the end of the calculation, each tree displays the duration on the screen of his performance. Also, only the first thread prints the final subtraction result. An appropriate timing mechanism should be used during implementation multi - threaded work (independently evaluate and choose which mechanism, based on the type problems to be solved)