all_equal()

Checks if all elements in a list are equal.

Use [1:] and [:-1] to compare all the values in the given list.

def all_equal(lst):
  return lst[1:] == lst[:-1]

all_equal([1, 2, 3, 4, 5, 6]) # False
all_equal([1, 1, 1, 1]) # True