My code flows in Workspaces?

>>> messy_list = ["a", 2, 3, 1, False, [1, 2, 3]]  # Assign "messy_list"
>>> print(messy_list)
["a", 2, 3, 1, False, [1, 2, 3]]    # So far so good

>>> list_1 = messy_list.insert(0, messy_list.pop(4))  # But here "list_1" is assigned a value, instead of "messy_list" being changed.
>>> print(messy_list)  # Oh, No! "messy_list" has not changed
["a", 2, 3, 1, False, [1, 2, 3]]

>>> print(messy_list[4])  #  Also ".pop(4)" would "pop" "False", not "1", because python starts counting at "0".
False
>>> print(list_1) 
[False, "a", 2, 3, 1, [1, 2, 3]]   # So this is what "list_1" looks like after running the code.

>>> list_1 = messy_list.remove("a")  # This line reassigns "list_1" again, rather than removing "a" from "list_1"
>>> print(list_1)
[2, 3, 1, False, [1, 2, 3]]

>>> messy_list.pop(5)  # And here's a hint, if you need it.
>>> print(messy_list)
["a", 2, 3, 1, False]

messy_list = ["a", 2, 3, 1, False, [1, 2, 3]]

# Your code goes below here
messy_list.insert(0, messy_list.pop(3))
messy_list.remove("a")
messy_list.remove(False)
messy_list.remove([1, 2, 3])