copywriting exercises

two weeks four sessions (October 26)Review and do the following exercises1. Achieve 1-100 of all and2. Achieve 1-500 of all odd and3. Ask for 1+ 2! + 3! + 4! + ... 20! and the4. Sort the specified list [2,32,43,453,54,6,576,5,7,6,8,78,7,89]5. Review dictionary sorting, string, list, tuple common methods1 #!/usr/bin/env python2 #_*_ coding:utf-8 _*_3 #@Time: 2017/10/26-21:464 #@Author: Kelake5 #File: Exercises 01.py6 7 #two weeks four sessions (October

2017-2018-2 1723 "Java Programming" course pair programming Exercises _ Arithmetic Group members 20172327 Marian 20172320 Li Shu 20172317 Shing Demand analysis Automatically generate problems can be used independently (able to write the function of the test class to create a separate problem) can generate different levels of problems Different levels of topics should refer to different dif

Examples of creating, assigning, and extracting two-bit arrays:Two-dimensional array exercises: Chinese mathematics foreign language A total of three lessons, a total of nine people, input into a two-dimensional arrayTo define a collection and add data examples:Example of removing data:Example of removing a data index to a number:There are several sets of data examples in the calculation data:Collection of Exercises:Practice One: Enter the number of p

Here are some of the post-lesson exercises that you do when you're learning python core programming. Now paste them out to record your learning process. Brother is a mechanical background, a lot of practice topics written is very mechanical. Although the script can be written to meet the requirements of the topic, but the efficiency may not be the best, so, the younger brother or the thick skin to put them, one can let the expert guidance, and secondl

Examples of common exercises for logical operations:Print (1 or 2 and 3 or 4) print (2 > 1 or 1 and 3 Answer:1 12 TrueView CodeCoding Knowledge:The role of ASCII:1 ASCII is binary with English uppercase and lowercase letters, punctuation, special symbols of the corresponding table, a total of 8 bits, the leftmost one for 0 is reserved bit.View CodeTo print all the elements in the Dequeue table:L1 = [A-z , ' name ', [2,3, ' age '],7] for in L1: if

Variable data types: list, Dict, set (modifiable elements)Immutable data types: str, tupleFocus: STR, list, dictList-derived exercises:# Use list derivation: Find all the odd numbers within 100 and multiply all the odd numbers by 3 to write to the list. forif i% 2! = 0]print for in range (1, 101, 2)]print(LI)Recursive use: (Classic monkeys eat peach Algorithm)""" The first day the monkey picked off n Peaches, then ate half, still not enjoyable, and a

1. Systemi\o Exercises:1) input several characters through the keyboard, and output through the display;2) Define a static method Validornot () is used to verify the validity of the input characters, and if it contains non-English characters, the illegalstringexception exception is thrown;3) through the Try/catch exception handling mechanism, handle the exception: if it contains non-English characters, give the corresponding prompt; If only English ch

The problem with Python exercises is as follows:Description: There are four numbers, respectively: 1, 2, 3, 4Question: How many three digits can be composed of different and non-repeating numbers? What's the number? for in range (1,5): is in range (1,5): for in Range (1,5): ifand and shi!=ge: Print (bai,shi,ge) Else: ContinuePython mathematical calculation, programming

Basic knowledge Exercises (I.)1. Two ways to execute a python script(1). Interactive mode: Start the Python interpreter and execute the command (2). Scripting: Python xxx.py or chmod +x ./xxx.py2. Briefly describe the relationship between bits and bytesOne byte equals 8 bits, while 1 bits are stored in binary form at the bottom of the computer, not 0 is 1.3. Brief description of the relationship between ASCII, Unicode, uft-8, GBK for Information Inter

Have done exercises in the afternoon "html.dropdownlistfor practice" http://www.cnblogs.com/insus/p/3382575.html in the implementation process, you need to create a ListOr:Just re-review this exercise and realize that we don't have to write these datasets directly using ienumerableThe razor syntax in the view:In fact, insus.net do these exercises, are connected with the database, but also in the future in t

Exercises for arrays in Java In conjunction with the previous array review, this article gives some examples of array exercises Instance code one: Package Cn.com.blog.array; Import Java.util.Scanner; * * 1. An array is known, and the center element of the array is evaluated. 2. An array is known, and all elements and. 3. An array is known to output all odd subscript elements. 4. An array is known to outpu

Tags: Table school SQL execution order Insert data style create time dataSQL Basics Exercises --For notes--Create a database CREATE DATABASESchoolCHARACTER SETUTF8; --Working with Databases UseSchool; --ID: Student's ID --Name : Names of students --Nickname: Student's nickname --Sex : Gender --In_time: Time to enroll --Students TableCREATE TABLEStudents (IDINT not NULLAuto_incrementPRIMARY KEY, nameVARCHAR( -) not NULL, nicknameVARCHAR( -)NULL, Se

#!/bin/bash until who|grep -q "^hacker\>";do sleep 3 done ## 如果有hacker用户在登录，则退出脚本，并执行下面的pkill语句。 pkill -9 -U hacker ## 注意 pkill -9 可以杀死用户所有的进程。 ## 优化版：不退出脚本，进入死循环，hacker一旦登录，则直接踢出去 [[emailprotected] 9_4 ]#cat untiltest.sh #!/bin/bash until false; do ## 为假则进入死循环 who|grep -q "^hacker\>" pkill -9 -U hacker sleep 3 doneOther small exercises 1. Exercise: rand

exercises:11, Query the sname, Ssex, and class columns of all records in the student table. 2Select Sname,ssex,classfrom student;32, query teachers all units that are not duplicated depart column. 4 select distinct depart from teacher;5 63, querying all records of the student table. 7SELECT *from student;84, query all records in the score table with scores from 60 to 80. 9SELECT * from score where degree between and 80;Ten5, query the records in th

one of the tablesDescribe EMP;OrDESC EMP;Under this user to view the other user's table, the front to add that user's name separated by DotSELECT * from Oe.orders;Of course, you have to have permission to look at other people's tables, generally use SYS to see anything else, and if you use Scott, you can't see it.4. Some basic exercises, based on the table scott.empBonuses and wages for each employee andSelect Ename, Sal+comm from EMP;One problem her

to small.41. Query "male" teachers and their courses.42. Check the SNO, CNO and degree columns of the students with the highest score.43, inquiries and "Li June" with the gender of all students sname.44, inquiries and "Li June" with the same sex and classmates sname.45. Check the scores of all "male" students who took the "Introduction to Computer" course SQL Statement Exercises Reference answers1, select Sname,ssex,class from Student;2, select disti

, CNO and degree columns of the students with the highest score.43, inquiries and "Li June" with the gender of all students sname.44, inquiries and "Li June" with the same sex and classmates sname.45. Check the scores of all "male" students who took the "Introduction to Computer" course SQL Statement Exercises Reference answers1, select Sname,ssex,class from Student;2, select distinct depart from teacher;3, select Sno as ' study number ', Sname as ' n

Label:　　Database build table scripts and used data please refer to: http://www.cnblogs.com/zhtzyh2012/p/5235826.html SQL50 exercises See: http://blog.sina.com.cn/s/blog_6d1d0bf80100zm8l.html 　　--Creating a database, tables, and data for the teaching system--Student (sno,sname,sage,ssex) Student table--Course (CNO,CNAME,TNO) timetable--SC (sno,cno,score) score table--Teacher (tno,tname) Teacher table 1, the inquiry "001" course is higher than "002" of

Label:2015.5.27 The database SQL Server exercises topic has a database consisting of four tables: Student table (Student), Course table (Course), score table (score) and teacher Information sheet (Teacher). The structure of the four tables, as shown in table 1-1 (i) to table (iv), is shown in table 1-2 table (i) ~ table (iv). Create four tables with SQL statements and complete related topics. Table 1-1 table Structure of the database Table (i) Student

Tags: config usr UI write echo test touch permissions NetstatShell script exercises 1. Script/root/bin/systeminfo.sh, which displays the current host system information, including hostname, IPV4 address, operating system version, kernel version, CPU model, memory size, hard disk size. #!/bin/bash # 显示电脑硬件信息 echo "主机名： $(hostname)" echo "IPv4地址： $(ifconfig | head -n2 |tail -n1 |tr -s " " ":"| cut -d":