Python函数定义

#!/usr/bin/python
#coding=gb2312

x=99;

def times(x,y):
    return x+y;

def panduan(dke,dk2):
    if(dke>dk2):
        return dke;
    else:
        return dk2;

def inserters(seq1,seq2):
    res=[];
    for x in seq1:
        if x not in seq2:
            res.append(x);
    return res;

def inserters2(seq1,seq2):
    return [x for x in seq1 if x not in seq2];

def func(y):
    global x;
    x=3;
    Z=x+y;
    return Z;

def tester(start):
    state=start;
    def mested(label):
        print(label,state);
    return mested;

#def tester2(start):
#    state=start;
#    def mested2(label):
#        global state;
#        print(label,state);
#        state+=1;
#    return mested2;