文档介绍：表达式运算符及说明类别操作符说明**幂运算,如x**3-一元减法,如-x加(或字符连接)减(或差集算术运算符+、-、*、/和差)乘除%取余数//Floor除法<<左移>>右移&按位“与”运算|按位“或”运算逻辑运算符^按位“异或”运算~按位“求补”运算and逻辑与or逻辑或not逻辑非==、!=相等,不相等比较运算符<、<=小于,小于等于>、>=大于、大于等于in、notin成员关系测试,属于,不属于测试运算符is、isnot对象实体一致性测试运算符优先级优先级序号运算符举例1一元运算+、-+x、-x2**x**y3*、/、%x*y4+、-x+y5<、<=、==、!=、>、>=x==y6notnotx7andxandy8orxory列表(可变)::dellist[index]:>>>name=['p','y','t','h','o','n']>>>a=[-1,-5,-3,6,9]>>>delname[-2:]>>>a[0]>>>name-1['p','y','t','h']>>>a[-3]>>>delname[:2]-3>>>name['t','h']:>>>delname[::2]>>>a=[-1,-5,-3,6,9]>>>b=[2,6,9,-6,3,7]弹出元素:(元素位置编号)>>>c=a+b>>>a=['宋德','郭亚欣','陶庆霞','郭蕾']>>>c>>>(0)[-1,-5,-3,6,9,2,6,9,-6,3,7]'宋德'>>>():'郭蕾'>>>a=[-1,-5,-3,6,9]>>>a[1:3]移除元素:(x)[-5,-3]>>>a>>>a[3:1]['彭淄','郭亚欣','陶庆霞'][]>>>('郭亚欣')>>>a[-4:-1]>>>a[-5,-3,6]['彭淄','陶庆霞']>>>a[3:]>>>('宋德')[6,9]Traceback(mostrecentcalllast):File"<pyshell#6>",line1,in<module>>>>a[:-2]('宋德')[-1,-5,-3]ValueError:(x):xnotinlist>>>a[:]:(x)[-1,-5,-3,6,9]>>>:['彭淄','陶庆霞']>>>name=list('python')>>>('a')>>>name>>>a['p','y','t','h','o','n']['彭淄','陶庆霞','a']>>>name[0]='t'添加多个元素:(多个值或列>>>name表)['t','y','t','h','o','n']>>>a>>>name[1:]['彭淄','陶庆霞','a']['y','t','h','o','n']>>>b=list('justin')>>>name[1:]='everthing'>>>b>>>name['j','u','s','t','i','n']['t','e','v','e','r','t','h','i','n','g']>>>(b)>>>name[:5]='tired'>>>a>>>name['彭淄','陶庆霞','a','j','u','s','t','i','n']['t','i','r','e','d','t','h','i','n','g']>>>((1994,3,1))>>>b['fond','like','love']['j','u','s','t','i','n',1994,3,1]:()插入对象:(位置编号,插入对>>>a=['A','thin','a']象)>>>()>>>a>>>list=[1,3,5,4]>>>(-1,'we')['A','a','thin']>>>(reverse=True)>>>list>>>a[1,3,5,'we',4]['thin','a','A']:(x):>>>b序列加:>>>[2,3]+[4,5,7]['j','u','s','t','i','n',1994,3,1][2,3,4,5,7]>>>(3)>>>'hello'+'world'+'!'7'helloworld!':(x)>>>[11,3]+'hello'#不同类型>>>listTraceback(mostrecentcalllast