__author__ = 'admin'

def mysum(L):

if not L:

return 0

else:

return L[0] + mysum(L[1:])

L = [1, 2 ,3 ,4 ,5]

print mysum(L)

def mysum(L):

return 0 if not L else L[0] + mysum(L[1:])

L = [1, 2 ,3 ,4 ,5]

print mysum(L)

f = lambda x,y,z: x + y +z

print f(2,4,5)

x = (lambda a ='fee', b='fie', c='feo':a+b+c)

print x('wee')

print x(a='bb',b='cc',c='dd')

L = [lambda x:x ** 2,

lambda x:x ** 3,

lambda x:x ** 4]

for f in L:

print(f(2))

key = 'got'

map_fun = {

'already':(lambda: 2 + 2),

'got': (lambda : 2 *4 ),

'one':(lambda:2 ** 6),

'param':(lambda x: x**2)

}

print map_fun['got']()

print map_fun['one']()

print map_fun['param'](2)

s1 = 'abc'

s2 = 'xyz'

print list(zip(s1, s2))

print dict(zip(s1,s2))

print [x + y for x in [1 ,2 , 3] for y in [5, 6 ,7]]

print {x:y for x in [1,2,3] for y in [5,6,7]}