Incorrect work of Sublime Text 3 and Python3. How to win?

Question

Python

I have been writing in Sublime for a long time, then I came across the following:

def test_button_event(self):
        item_list = []
        for i in self.tree.get_children():
            #print(i)
            #print(self.tree.item(i, 'values'))
            item_list.append(list(self.tree.item(i, 'values')))
        print(item_list)
        # print('foo')

This is the code for the button click handler "Test", Tkinter GUI, which displays various information that I need on click.
In this case, the code lists the values ​​of the ttk.Treeview elements.
All this is output. if you run the script from the command line or in PyCharm, but through Ctrl + B in ST3 the console is empty.
If you insert something like print('foo'), the output occurs, but the list is not displayed.

Answer 1

The output to the console did not work because of the Cyrillic alphabet in the output list.
Added to sublime-build "env": {"PYTHONIOENCODING": "UTF-8"}
Now it all looks like this:

{
   "cmd": "c:/Python34/python.exe -u \"$file\"",
    "file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
    "selector": "source.python",
    "env": {"PYTHONIOENCODING": "UTF-8"}  
}