__author__ = 'daitr' #--coding:utf-8-- import datetime #方法一: #a=[2,3,4,5] #b=[2,5,8] #tmp = [val for val in a if val in b] #print tmp ##[2, 5] #方法二 #print list(set(a).intersection(set(b))) #print list(set(a).union(set(b))) #print list(set(b).difference(set(a))) # b中有而a中没有的 a,b= [],[] for i in range(1,60000): a.append(i) for j in range(40000,100000): b.append(j) print a[-1] print b[-1] time1 = datetime.datetime.now() #print time1 tmp = [val for val in a if val in b] #print tmp time2 = datetime.datetime.now() #print time2 d1 = time2-time1 print d1 list(set(a).intersection(set(b))) #print temp2 time3 = datetime.datetime.now() #print time3 d2 = time3-time2 print d2
