human
join elements of a list as string.
assistant
Here is a Python function to join elements of a list as string

import copy

def join_list(list_of_list):
    """
    Joins elements of a list as string
    """
    return "[" + ", ".join([str(item) for item in list_of_list]) + "]"

# Enter the list
list1 = [1, 2, 3]

# Enter the list
list2 = [4, 5, 6]

# Calling the function
print((join_list([list1, list2])))

#Example Output
# [[1, 2, 3], [4, 5, 6]]

#Remember to inspect code for bugs.