In [1]:

    

# multiply a list of integers by 2 and filter out odd number


    

In [7]:

    

integer_list = [1.5, 2, 3, 5, 9, 4, 6, 8, 11]
m = filter(lambda x: x % 2 == 0,  map(lambda x : x*2, integer_list))


    

In [10]:

    

print integer_list
print m
print map(lambda x: x*2, integer_list)


    

    




[1.5, 2, 3, 5, 9, 4, 6, 8, 11]
[4, 6, 10, 18, 8, 12, 16, 22]
[3.0, 4, 6, 10, 18, 8, 12, 16, 22]

In [12]:

    

# another approach


    

In [ ]:

    

map_list = []
filtered_list = []

for i in integer_list:
    ma