reviewers

import copy
import random


def get_random_index(list):
    return random.randint(0, len(list) - 1)


team_1 = ['avoronova', 'nneborskaya', 'nspiridonova', 'kivyanskaya', 'azinina', 'otolokolnikova', 'ezorina']
team_2 = ['aseleverstov', 'anovoselov', 'abrazhnikov', 'ddanilov', 'mgrischenko', 'vgvarianashvili', 'mkochetkova']
my_dict = {}
team_1_reviewers = copy.copy(team_1)

for person in team_1:
    reviewer_1 = None
    index = -1
    while not reviewer_1 or person == reviewer_1:
        if not (len(team_1_reviewers) == 2 and team_1[-1] in team_1_reviewers):
            index = get_random_index(team_1_reviewers)
        reviewer_1 = team_1_reviewers[index]

    reviewer_1 = team_1_reviewers.pop(index)

    reviewer_2 = team_2.pop(get_random_index(team_2))
    my_dict[person] = (reviewer_1, reviewer_2)
print(my_dict)