python中的operator库
这个模块提供了一系列的函数操作。比如,operator.add(x, y)等于x+y
a = [1,2,3]
b = [5,6,7]
c = map(operator.mul, a, b)
c的值就为[5, 12, 21]
abs(...)
abs(a) -- Same as abs(a).
add(...)
add(a, b) -- Same as a + b.
and_(...)
and_(a, b) -- Same as a & b.
concat(...)
concat(a, b) -- Same as a + b, for a and b sequences.
contains(...)
contains(a, b) -- Same as b in a (note reversed operands).
countOf(...)
countOf(a, b) -- Return the number of times b occurs in a.
delitem(...)
delitem(a, b) -- Same as del a[b].
delslice(...)
delslice(a, b, c) -- Same as del a[b:c].
div(...)
div(a, b) -- Same as a / b when __future__.division is not in effect.
eq(...)
eq(a, b) -- Same as a==b.
floordiv(...)
floordiv(a, b) -- Same as a // b.
ge(...)
ge(a, b) -- Same as a>=b.
getitem(...)
getitem(a, b) -- Same as a[b].
getslice(...)
getslice(a, b, c) -- Same as a[b:c].
gt(...)
gt(a, b) -- Same as a>b.
iadd(...)
iadd(a, b) -- Same as a += b.
iand(...)
iand(a, b) -- Same as a &= b.
iconcat(...)
iconcat(a, b) -- Same as a += b, for a and b sequences.
idiv(...)
idiv(a, b) -- Same as a /= b when __future__.division is not in effect.
ifloordiv(...)
ifloordiv(a, b) -- Same as a //= b.
ilshift(...)
ilshift(a, b) -- Same as a <<= b.
imod(...)
imod(a, b) -- Same as a %= b.
imul(...)
imul(a, b) -- Same as a *= b.
index(...)
index(a) -- Same as a.__index__()
indexOf(...)
indexOf(a, b) -- Return the first index of b in a.
inv(...)
inv(a) -- Same as ~a.
invert(...)
invert(a) -- Same as ~a.
ior(...)
ior(a, b) -- Same as a |= b.
ipow(...)
ipow(a, b) -- Same as a **= b.
irepeat(...)
irepeat(a, b) -- Same as a *= b, where a is a sequence, and b is an integer.
irshift(...)
irshift(a, b) -- Same as a >>= b.
isCallable(...)
isCallable(a) -- Same as callable(a).
isMappingType(...)
isMappingType(a) -- Return True if a has a mapping type, False otherwise.
isNumberType(...)
isNumberType(a) -- Return True if a has a numeric type, False otherwise.
isSequenceType(...)
isSequenceType(a) -- Return True if a has a sequence type, False otherwise.
is_(...)
is_(a, b) -- Same as a is b.
is_not(...)
is_not(a, b) -- Same as a is not b.
isub(...)
isub(a, b) -- Same as a -= b.
itruediv(...)
itruediv(a, b) -- Same as a /= b when __future__.division is in effect.
ixor(...)
ixor(a, b) -- Same as a ^= b.
le(...)
le(a, b) -- Same as a<=b.
lshift(...)
lshift(a, b) -- Same as a << b.
lt(...)
lt(a, b) -- Same as a<b.
mod(...)
mod(a, b) -- Same as a % b.
mul(...)
mul(a, b) -- Same as a * b.
ne(...)
ne(a, b) -- Same as a!=b.
neg(...)
neg(a) -- Same as -a.
not_(...)
not_(a) -- Same as not a.
or_(...)
or_(a, b) -- Same as a | b.
pos(...)
pos(a) -- Same as +a.
pow(...)
pow(a, b) -- Same as a ** b.
repeat(...)
repeat(a, b) -- Return a * b, where a is a sequence, and b is an integer.
rshift(...)
rshift(a, b) -- Same as a >> b.
sequenceIncludes(...)
sequenceIncludes(a, b) -- Same as b in a (note reversed operands; deprecated).
setitem(...)
setitem(a, b, c) -- Same as a[b] = c.
setslice(...)
setslice(a, b, c, d) -- Same as a[b:c] = d.
sub(...)
sub(a, b) -- Same as a - b.
truediv(...)
truediv(a, b) -- Same as a / b when __future__.division is in effect.
truth(...)
truth(a) -- Return True if a is true, False otherwise.
xor(...)
xor(a, b) -- Same as a ^ b.
python中的operator库相关推荐
- python中nlp的库_单词袋简介以及如何在Python for NLP中对其进行编码
python中nlp的库 by Praveen Dubey 通过Praveen Dubey 单词词汇入门以及如何在Python中为NLP 编写代码的简介 (An introduction to Bag ...
- python中的迭代库
python中的迭代库为itertools,如果需要输出详细,需要使用类型工厂函数,如list,tuple将结果转换 itertools.product:product(A,B) 相当于((x, y) ...
- python中调用c库
python中调用c库 2013-04-23 15:34:52| 分类: python核心编程 | 标签:python makefile |举报 |字号 订阅 参考地址:http://my. ...
- Python中第三方的库(library)、模块(module),包(package)的安装方法以及ImportError: No module named...
Python中,想要安装第三方安装包,即third library,package等,对于熟悉的人来说,很简单. 但是对于新手,至少对于之前的我,很难,往往只是安装一个很小的包,都被搞得一头雾水. 现 ...
- python中nlp的库_用于nlp的python中的网站数据清理
python中nlp的库 The most important step of any data-driven project is obtaining quality data. Without t ...
- Python中的operator.itemgetter函数
Python中的operator模块中的itemgetter函数的作用是获取对象哪些维的数据,参数是表示维的序号. operator.itemgetter函数定义的是一个函数,通过该函数作用到对象上才 ...
- 利用python中的csv库读写csv文件
利用python中的csv库读写csv文件 python读写csv文件就我知道的方法有:1)利用csv库,2)利用读写txt文件的方式处理,3)利用numpy或pandas库处理 在这篇博客中,博主就 ...
- 用python中的turtle库绘制一些有趣的图
最近有个在读大学的女生,想要我帮忙用python画几个图,在画的过程中觉得有些图还挺有意思的,分享给大家. 1 图1 第一个图是蚊香,感兴趣的小伙伴可以自己尝试在python中用turtl ...
- python中的sheet,Python中的Smartsheet库:模块'smartsheet.sheets'没有属性'sheets'
我正在尝试在python中使用smartsheet库. 使用'$ pip install smartsheet-python-sdk'完成pip安装. 我使用以下代码在令牌上进行了测试. import ...
最新文章
- Window编程主函数详解
- nginx下部署vue项目
- 当数据库遇见FPGA:X-DB异构计算如何实现百万级TPS?
- Sharepoint学习笔记—Ribbon系列-- 3.在Ribbon中找到正确的Location
- Linux_学习_Day3_bash
- ZZULIOJ 1098: 复合函数求值(函数专题)
- 尚学堂java答案解析 第二章
- es6 Generator函数的应用
- JS中的六大数据类型 (笔记0)
- 如果想成为数据科学家,请学习这3种语言
- 计算机专业英文授课,计算机专业全英文授课分析
- MTSP遗传算法解决
- C++11多线程 内存序(std::memory_order_relaxed)
- Ubuntu上安装博通无线网卡驱动
- 使用Python调整图片尺寸(大小)
- 微信模板消息 群发 突破 4条限制
- 神舟Z7本安装Linux系统,神舟战神Z7M U盘装系统win7教程
- 服务器定时执行js脚本
- 《校园十大优秀青年评比》课程设计作品——顺利通过!!!
- 广州欧米区块链科技×浙江墨客奇迹区块链科技丨达成战略合作共识
热门文章
- 程序员面试题精选100题(47)-数组中出现次数超过一半的数字[算法]
- 【OpenCV3】彩色映射——cv::applyColorMap()与cv::LUT()详解
- python继承父类的调用
- Atom相关资料整理
- python基础练习_1
- No Team Selected:A team must be selected to run 'ProjectName' on iPhoneName
- 周跃教授:脊柱微创手术机器人在脊柱手术中的应用前景 (转载)
- 娱乐化手游营销模式探索
- 用ProFTPD构建FTP服务器
- django项目实战(2)-数据库配置