【python】lamda表达式，map

f = lambda x,y,z : x+y+z
print f(1,2,3)

g = lambda x,y=2,z=3 : x+y+z
print g(1,z=4,y=5)

6
10

L = [(lambda x: x**2),
(lambda x: x**3),
(lambda x: x**4)]
print L[0](2),L[1](2),L[2](2)

D = {'f1':(lambda: 2+3),
'f2':(lambda: 2*3),
'f3':(lambda: 2**3)}
print D['f1'](),D['f2'](),D['f3']()

4 8 16
5 6 8

def inc(x):
return x+10

L = [1,2,3,4]
print map(inc,L)

print map((lambda x: x+10),L)

[11, 12, 13, 14]
[11, 12, 13, 14]