PYTHON

python list empty

my_list = list()
# Check if a list is empty by its length
if len(my_list) == 0:
    pass  # the list is empty
# Check if a list is empty by direct comparison (only works for lists)
if my_list == []:
    pass  # the list is empty
# Check if a list is empty by its type flexibility **preferred method**
if not my_list:
    pass  # the list is empty

python remove empty list

list2 = filter(None, list1)

create an empty list of lists in python

if __name__ == '__main__':
 
    n = 10
    a = [[] for x in range(n)]
    print(a)        # [[], [], [], [], [], [], [], [], [], []]

empty list in python

# Python program to declare 
# empty list 

# list is declared 
a = []		 

python how to make an empty list

list = list()

python how to make an empty list

list = []

empty list check in python

if not a:
  print("List is empty")

create an empty list in python

# There are two common methods to create an empty list
x = list()
print(len(x))		# Output: 0
y = []
print(len(x))		# Output: 0

empty list

# Python program to declare
# empty list
  
# list is declared
a = []         
  
print("Values of a:", a)
print("Type of a:", type(a))
print("Size of a:", len(a))

Create an empty list in Python

l_empty = []
print(l_empty)
# []

print(len(l_empty))
# 0

python create empty list

>>> num = []
>>> len(num)
0