python – check if list is empty

In this post, we will see how to check if list is empty in python.
It is very easy to check if list is empty in python. You can use "not" to check if list is empty in Python.
Let’s understand with the help of simple example.

list1=[1,2,3]
list2=[]
if not list1:
    print("list1 is empty")
else:
     print("list1 is not empty")

if not list2:
    print("list2 is empty")
else:
     print("list2 is not empty")

Output:

You can also use Python len function to check if list is empty or not.

list3=[]
list4=['one','two','three']
if (len(list3)==0):
    print("list3 is empty")
else:
     print("list3 is not empty")

if (len(list4)==0):
    print("list4 is empty")
else:
     print("list4 is not empty")

Output:

That’s all about python check if list is empty.