Filter function in python

Python filter

ages = [5, 12, 17, 18, 24, 32]
def myFunc(x):
  if x < 18:
    return False
  else:
    return True
  
adults = filter(myFunc, ages)
for x in adults:
  print(x)     		# 18 24 32

Source: websitesetup.org

Filter function in python

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 function in python

# 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)))

Filtrar en python/how to filter in python

            method  number  orbital_period   mass  distance  year
0  Radial Velocity       1          269.30   7.10     77.40  2006
2  Radial Velocity       1          763.00   2.60     19.84  2011
3  Radial Velocity       1          326.03  19.40    110.62  2007
6  Radial Velocity       1         1773.40   4.64     18.15  2002
7  Radial Velocity       1          798.50    NaN     21.41  1996

Python filter

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]

Source: book.pythontips.com

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