mlist = ['aa','bb','cc','dd'] res = mlist.pop(0) #pop(0) 从第一个取值 print(mlist) #['bb', 'cc', 'dd'] print(res) #aa 8) insert 在指定位置加入 mlist = ['aa','bb','cc','dd'] mlist.insert(1,'e') print(mlist) #['aa', 'e', 'bb', 'cc', 'dd'] 9...
1>>> name ="aleX"2>>>print(name.lstrip())3aleX4>>>print(name.startswith('al'))5False6>>>print(name.endswith('X'))7True8>>> name = name.replace('l','p')9>>>print(name)10apeX11>>> list = name.split('l')12>>>print(list)13['apeX']14>>> name =name.upper()15>>>...
Type:list String form:[1,2,3]Length:3Docstring:Built-inmutable sequence.If no argument is given,the constructor creates anewemptylist.The argument must be an iterableifspecified.In[3]:print?Docstring:print(value,...,sep=' ',end='\n',file=sys.stdout,flush=False)Prints the values to a ...
这里我们先将'192.168.1.0'赋值给floor1这个变量,再对该变量调用split()这个方法,然后将返回的值赋值给另外一个变量floor1_list,注意这里split()括号里的'.'表示分隔符,该分隔符用来对字符串进行切片,因为IP地址的写法都是4个数字用3个点'.'分开,所以这里分隔符用的是'.',因为split()返回的值是列表,所以这里...
.format(*list) str2 = "{1} is a beautiful {0}!".format(*list) print(str1) print(str2) 执行以上代码,输出结果为: Beijing is a beautiful city! city is a beautiful Beijing! ② 匹配字典中的参数 dict = {"name1": "Beijing", "name2": "city"} str1 = "{name1} is a beautiful ...
删除元素("删"del, pop, remove) del:根据下标进行删除,关键字del list[1]pop:删除并返回最后一个元素list.pop()还可以指定位置删除list.pop(0)remove:根据元素的值进行删除,函数list.remove('dog') 排序(sort, reverse) reverse方法是将list逆置list.reverse()sort是将原list排序,a.sort(reverse=True)# re...
int -- 整数 python3中默认整数都是int型,python2中int的范围为-231~232-1(32位系统中)/-263~263-1,超过此范围的为long int型 str -- 字符串 python中没有字符型,都是字符串 bool -- 布尔型 True or False(注意大小写) list -- 列表 [1, 2, 3, '啦啦啦', [1, 2, 3]] ...
(ret) or rsp_data == '': logging.error('Failed to get file list') return file_list rsp_data1=rsp_data.replace('<?xml version="1.0" encoding="UTF-8"?>','') rsp_data1=rsp_data1.replace('xmlns="urn:huawei:yang:huawei-file-operation"','') rsp_data = '{}{}{}'.format('<...
1.Python基本命令 1.1 列出已安装的包 piplist 1.2 查看可升级的包 piplist-o 1.3 安装包 pipinstallSomePackage# 最新版本pipinstallSomePackage==1.5.0# 指定版本 1.4 镜像站安装 pipinstall-i https://pypi.tuna.tsinghua.edu.cn/simplesome-package ...
ops from urllib.parse import urlparse from urllib.parse import urlunparse from time import sleep # error code OK = 0 ERR = 1 slog = ops.ops() g_sys_info = {'mac':'', 'esn':''} g_ip_addr = None # File server in which stores the necessary system software, configuration and ...