zip()

my_list = [1,2,3]
your_list = [10,20,30]
their_list = [5,4,3]
def multiply_by2(item):
    return item*2
    
def check_odd(item):
    return item % 2 != 0
    
print(list(zip(my_list,your_list,their_list)))
print(my_list)