Example 1: Using Boolean operation
my_list = []
if not my_list:
print("the list is empty")
Output
the list is empty
It is the most pythonic way of testing the emptiness. If you want to learn more about boolean truth value, you can refer to Truth Value Testing.
Example 2: Using len()
my_list = []
if not len(my_list):
print("the list is empty")
Output
the list is empty
If the length of a list is 0, then the list is empty.
Example 3: Comparing with []
my_list = []
if my_list == []:
print("The list is empty")
Output
The list is empty
