Питонный фильтр
lst = [1,2,3,4,5,6,7,8,9]
list(filter(lambda x:x%2 == 0, lst))
Gentle Gannet
lst = [1,2,3,4,5,6,7,8,9]
list(filter(lambda x:x%2 == 0, lst))# Program to filter out only the even items from a list
my_list = [1, 5, 4, 6, 8, 11, 3, 12]
new_list = list(filter(lambda x: (x%2 == 0) , my_list))
print(new_list)nums1 = [2,3,5,6,76,4,3,2]
def bada(num):
return num>4 # bada(2) o/p: False, so wont return.. else anything above > value returns true hence filter function shows result
filters = list(filter(bada, nums1))
print(filters)
(or)
bads = list(filter(lambda x: x>4, nums1))
print(bads)
# filter is just filters things
my_list = [1, 2, 3, 4, 5, 6, 7]
def only_odd(item):
return item % 2 == 1 # checks if it is odd or even
print(list(filter(only_odd, my_list)))
number_list = range(-5, 5)
less_than_zero = list(filter(lambda x: x < 0, number_list))
print(less_than_zero)
# Output: [-5, -4, -3, -2, -1]
numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
def is_even(num):
if num % 2 == 0:
return True
even_numbers = filter(is_even, numbers)
print(list(even_numbers))
# Output
# [2, 4, 6, 8, 10]