Jak prázdný seznam

Příklady kódu

8
0

N

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
8
0

N

# Python program to declare 
# empty list 

# list is declared 
a = []		 
7
0

N

# this clear whole elements from list
thislist = ["apple", "banana", "cherry"]
thislist.clear()
5
0

N

mylist = [1, 2, 3, 4]
mylist.clear()

print(mylist)
# []
2
0

N

list2 = filter(None, list1)
1
0

N

lst = [1,2,3,4,5,6,7,8,9,10]
lst.clear()

Související stránky

Související stránky s příklady

V jiných jazycích

Tato stránka je v jiných jazycích

Русский
..................................................................................................................
English
..................................................................................................................
Italiano
..................................................................................................................
Polski
..................................................................................................................
Română
..................................................................................................................
한국어
..................................................................................................................
हिन्दी
..................................................................................................................
Français
..................................................................................................................
Türk
..................................................................................................................
Português
..................................................................................................................
ไทย
..................................................................................................................
中文
..................................................................................................................
Español
..................................................................................................................
Slovenský
..................................................................................................................
Балгарскі
..................................................................................................................
Íslensk
..................................................................................................................