def func1(): print 'hello world'res = func1()print type(res)def func2(): return ['xyz',10000,-98]atuple = func2()x,y,z = func2()print x,y,zdef func3(): return 'xyz',1000,-98x,y,z = func3()print x,y,zdef func4(): return ['xyz',1000,-98,'xxx']x,y,z,d = func4()alist = x,y,z,dprint alisttrue = lambda :Trueprint true()sum = lambda x,y:x + ysumm = lambda x,y=4:x + yatuplet = lambda *zaz:zazprint atuplet('a',1)adictt = lambda **z:zprint adictt(x=3,y=5)from random import randintdef functest(arg): return arg % 2allnums = []for eachnum in range(9): allnums.append(eachnum)print filter(functest,allnums)allnums = []for eachnum in range(9):# print eachnum ra = randint(1,99)# print ra allnums.append(ra)#print filter(lambda x:x%2,allnums)#print [i for i in allnums if i%2]print [n for n in [randint(1,99) for i in range(9)] if n%2]print map(lambda x:x+2,[i for i in range(9)])print map(lambda x:x**2,[int(i) for i in range(9)])print map(str,[i for i in range(9)])print map(lambda x,y:x+y,[1,2,3],[1,2,3])print map(lambda x,y:(x+y,x-y),[1,2,3],[1,2,3])print map(None,[1,2,3],[1,2,3])print reduce(lambda x,y:x+y,[i for i in range(3)])from operator import mul,addfrom functools import partialadd1 = partial(add,1)mul100 = partial(mul,100)basetwo = partial(int,base=2)basetwo.__doc__ = 'convert base 2 string to an int'print basetwo('10010')import Tkinterroot = Tkinter.Tk()mybutton = partial(Tkinter.Button,root,fg='white',bg='blue')b1 = mybutton(text='button1')b2 = mybutton(text='button2')qb = mybutton(text='quit',bg='red',command=root.quit)b1.pack()b2.pack()qb.pack(fill=Tkinter.X,expand=True)root.title('pfas!')root.mainloop()is_this_global = 'xyz'def foo(): global is_this_global this_is_local = 'abc' is_this_global = 'def' print this_is_local + is_this_globaldef foor(): m = 3 def bar(): n = 4 print m + n print m bar()def counter(start=0): count = [start] def incr(): count[0] += 1 return count[0] return incrcount = counter()output = ''w = x = y = z = 1def f1(): x = y = z = 2def f2(): y = z = 3 def f3(): z = 4 print output%('w',id(w),w) print output%('x',id(x),x) print output%('y',id(y),y) print output%('z',id(z),z) clo = f3.func_closure if clo: print 'f3 closure vars:',[str(c) for c in clo] else: print 'no f3 closure vars' f3() clo = f2.func_closure if clo: print 'f2 closure vars:',[str(c) for c in clo] else: print 'no f2 closure vars' f2() clo = f1.func_closure if clo: print 'f1 closure vars:',[str(c) for c in clo] else: print 'no f1 closure vars'from time import timedef logged(when): def log(f,*args,**kargs): print '''called:function:%sargs:%skargs:%s'''%(f,args,kargs) def pre_logged(f): def wrapper(*args,**kargs): log(f,*args,**kargs) return f(*args,**kargs) return wrapper def post_logged(f): def wrapper(*args,**kargs): now = time() try: return f(*args,**kargs) finally: log(f,*args,**kargs) print 'time delta:%s' % (time()-now) return wrapper try: return {'pre':pre_logged,'post':post_logged}[when] except KeyError,e: raise ValueError(e),"must be 'pre' or 'post'"@logged('post')def hello(name): print 'hello,',namehello('world!')x = 10def ffoo(): y = 5 bar = lambda z:x+z print bar(y)j,k = 1,2def proc1(): j,k = 3,4 print 'j==%d and k==%d' % (j,k)def proc2(): j = 6 proc1() print 'j==%d and k==%d' % (j,k)k = 7proc1()print 'j==%d and k==%d' % (j,k)j = 8proc2()print 'j==%d and k==%d' % (j,k)def max2(arg1,arg2): if arg1 > arg2: return arg1 elif arg1 == arg2: return 'equal' else: return arg2max22 = lambda a,b:a if a > b else bmin22 = lambda a,b:a if a 以上就是python基础学习代码之函数和函数式编程的内容，更多相关内容请关注【创想鸟】（www.php.cn）！
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