CODE EXAMPLE FOR PYTHON

filter in python

# function filter name ==/ 'omar', 'omer', 'osama', 'ahmed', 'mahmuod', 'abdelrhman'
# and we need just name's start with 'o'

def name(n):

    return n.startswith("o")


names_list = ['omar', 'omer', 'osama', 'ahmed', 'mahmuod', 'abdelrhman']

x = filter(name, names_list)

for l in x:

    print(l)

print("#" * 100)

# function filter number ==/ 1, 20 , 38 , 550 , 3 and we need the numbers bigger than 2


def num(number):

    if number > 2.5:
        return number


num_list = [1, 20, 38, 550, 3]


my_num = filter(num, num_list)

print(list(filter(num, num_list))) # Without Loop.

for n in my_num: # With Loop.

    print(n)

print("#" * 100)

# function filter name with lambda :-

n = ['omar', 'omer', 'osama', 'ahmed', 'mahmuod', 'abdelrhman']

for p in filter(lambda name: name.startswith("a"), n):

    print(p)

print("#" * 100)

# function filter number with lambda :-

num_list = [1, 20, 38, 550, 3]

for N in filter(lambda num: num > 2.4, num_list):

    print(N)