For Loops Driving Me Insane

[menator01]

My two cents

from tabulate import tabulate
from subprocess import call
import platform
clear = 'cls' if platform == 'win32' else 'clear'

sweets = {1: ['1 Snickers Ice Cream Bar', 100],
          2: ['2 Nutter Butters', 200],
          3: ['3 Twix', 300],
          4: ['4 Twizzlers', 400],
          5: ['5 Ice Cream Sandwich', 500]
          }
calories = 0
mychoices = []

choices = [[sweets[items][0]] for items in sweets.keys()]
call(clear)
while True:
    print(tabulate(choices, headers=['Items']))
    print()
    print('Choose a number from the list of items or q to quit\n')
    choice = input('>> ')
    if str(choice) == 'q':
        break
    try:
        call(clear)
        choice = int(choice)
        if isinstance(choice, int):
            try:
                mychoices.append(sweets[int(choice)][1])
                print(f'Calories Consummed: {sum(mychoices)}\n')

            except KeyError:
                call(clear)
                print('You can only choose from the menu.\n')
    except ValueError:
        call(clear)
        print('You can only enter whole numbers\n')

Output:
Calories Consummed: 900

Items
------------------------
1 Snickers Ice Cream Bar
2 Nutter Butters
3 Twix
4 Twizzlers
5 Ice Cream Sandwich