入门指南：2011版Tony Gaddis《Python Starting Out》

Python
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"《Starting Out with Python》第二版是由Tony Gaddis所著的一本面向初学者的Python编程教材。这本书于2011年发布，是英文版本，旨在帮助读者快速上手Python语言。作为一本经典的入门教程，它全面覆盖了Python的基础知识和实践应用，适合那些对编程感兴趣但没有编程背景的人群。 本书的主要内容包括但不限于以下几个方面： 1. Python简介：首先，作者会介绍Python的历史、设计理念和语法特性，使读者了解其简洁易读的编程风格。 2. 基础概念：涵盖变量、数据类型（如整数、浮点数、字符串、列表、元组和字典）、控制结构（如条件语句和循环）等内容，让学习者建立扎实的编程基础。 3. 函数和模块：讲解如何定义和调用函数，以及如何导入和使用Python的标准库和第三方模块，培养良好的编程组织习惯。 4. 面向对象编程：介绍类和对象的概念，以及如何设计和实现简单的面向对象程序。 5. 异常处理和错误调试：学习如何识别和处理运行时错误，以及如何有效地调试代码。 6. 文件操作与输入输出：指导读者如何处理文件和进行基本的数据输入输出操作。 7. 网络编程：涉及HTTP请求、网络连接和数据传输的基础知识，适合那些希望扩展到网络应用的同学。 8. 数据分析与科学计算：通过Python的科学计算库（如NumPy和Pandas），介绍数据处理、统计分析和可视化技术。 9. 实战项目：书中包含一系列逐步指导的实践项目，让学习者在实际操作中巩固理论知识并提升解决问题的能力。 《Starting Out with Python》第二版特别注重实践性和互动性，每章都配有丰富的练习和习题，以及配套的在线资源，方便读者进一步探索和深入学习。此外，书中的内容经过精心设计，确保新旧用户都能从中获益，无论是初次接触编程的初学者，还是希望提升技能的现有开发者，都能在本书中找到所需的支持。 这本书不仅是一本Python编程的入门指南，也是一本实用的工具书，适合任何希望掌握Python这门语言并应用于各种领域的学习者。"

Addison.Starting.Out.with.Python.Mar.2008

2008-12-26 上传
- 从书名“Starting Out with Python”可以看出，这本书主要面向Python编程初学者，尤其是那些没有或很少有编程经验的学生或自学者。 #### 3. 出版社信息 - **出版社**: Addison-Wesley（艾迪生-韦斯利出版社），是...

Starting Out With Python

2018-01-25 上传
《Starting Out With Python》是一本针对Python编程语言的入门教程，由Tony Gaddis编写，Pearson出版社出版。本书为全球教育定制的特别版，由Pearson教育集团与全球各地的教育工作者合作，经过修改、定制和适应，以...

Starting Out with Python_3rd Edition

2017-10-23 上传
In Starting Out with Python®, Third Edition Tony Gaddis’ evenly-paced, accessible coverage introduces students to the basics of programming and prepares them to transition into more complicated ...

设计一个句子Sentence类。要求构造方法接受一个字符串参数。创建一个实例变量，用于将句子存储为字符串。假设句子中没有标点符号，每个单词之间有空格。 编写以下方法： （1）getSectence：将句子以字符串的形式返回 （2）getWords：返回句子中包含的单词列表 （3）getLength：返回句子中包含的字符数 （4）getNumWords：返回句子中包含的单词数 （5）setSentence：将句子中的所有字母更改为大写字母 （6） __str__()：返回句子的描述信息字符串。返回两行信息，第一行为句子及字符数，第二行为单词列表和单词数。 例如：假设输入的句子为是Starting Out with Python，则返回的字符串为： 输入的字符串是：Starting Out with Python，共有24个字符。 其中有单词：['Starting', 'Out', 'with', 'Python']，共有4个单词。

2023-05-24 上传
以下是一个实现上述要求的Python代码： ``` class Sentence: ...# 输入的字符串是：Starting Out with Python，共有24个字符。 # 其中有单词：['Starting', 'Out', 'with', 'Python']，共有4个单词。 ```

Java如何自动启动CityEngine并通过CityEngine运行指定路径下的python代码代码实现

2023-06-09 上传
System.out.println("CityEngine process exited with code: " + exitCode); } catch (InterruptedException e) { e.printStackTrace(); } } } ``` 在这个示例中，我们创建了一个ProcessBuilder对象，并设置了...

Write a code to calculate the trajectory that is traced out between time t=0 and t=20 by an air parcel in the flow: F(x, y)=-(y^2)/2+cos(x). Use the explicit (Euler forward) scheme for the first step, and the leapfrog scheme for all subsequent steps. Use △t = 0.01 and include a Robert-Asselin filter applied to both x and y with a coefficient of 0.01. You will need to import math to use the Python function math.sin(). Run your program for the following two starting positions, which are marked with crosses in the above figure:(x0.y0)=(1.0,1.0)
(in the eddy region)
,(x0,y0)=(1.0,2.0)
(in the stream region)
For each of these starting positions， plot the trajectory in the （x ，y） plane. Use the trajectory in the eddy region to verify the stability of the numerical method and explain your reasoning

2023-05-28 上传
Sure, here's a Python code that solves the problem you presented: ```python import math import matplotlib.pyplot as plt # Define the flow field function F(x, y) def F(x, y): return -(y**2)/2 + math...

Python freegames.maze 加详细注释

2023-06-11 上传
# Carve out the maze starting from the center. start_x, start_y = rows // 2, cols // 2 maze[start_x][start_y] = False cells = [(start_x, start_y)] while cells: current = cells.pop(random.randint...

C语言与循环有关的英语文献并且以英文参考文献引用格式发给我

2023-04-03 上传
Starting out with C++: from control structures through objects (7th ed.). Addison-Wesley. 7. Horowitz, E., & Sahni, S. (1978). Fundamentals of computer algorithms (1st ed.). Computer Science Press. ...

#!/usr/bin/env python #coding: utf-8 import os from time import time from datetime import datetime from netmiko import ConnectHandler from openpyxl import Workbook from openpyxl import load_workbook def read_device_excel( ): ip_list = [] wb1 = load_workbook('E:\/Users/Wayne_Peng/Desktop/cs_lab.xlsx') ws1 = wb1.get_sheet_by_name("Sheet1") for cow_num in range(2,ws1.max_row+1): ipaddr = ws1["a"+str(cow_num)].value ip_list.append(ipaddr) return ip_list def get_config(ipaddr): session = ConnectHandler(device_type="huawei", ip=ipaddr, username="mtlops", password="cisco,123", banner_timeout=300) print("connecting to "+ ipaddr) print ("---- Getting HUAWEI configuration from {}-----------".format(ipaddr)) # config_data = session.send_command('screen-length 0 temporary') # config_data = session.send_command('dis cu | no-more ') # command = 'display version | display cpu-usage | display memory-usage' # config_data = session.send_command(command) commands = ['display version', 'display cpu-usage', 'display memory-usage'] config_data = '' for cmd in commands: output = session.send_command_timing(cmd) config_data += f'{cmd}\n{output}\n' session.disconnect() return config_data def write_config_to_file(config_data,ipaddr): now = datetime.now() date= "%s-%s-%s"%(now.year,now.month,now.day) time_now = "%s-%s"%(now.hour,now.minute) #---- Write out configuration information to file config_path = 'E:\/Users/Wayne_Peng/Desktop/' +date verify_path = os.path.exists(config_path) if not verify_path: os.makedirs(config_path) config_filename = config_path+"/"+'config_' + ipaddr +"_"+date+"_" + time_now # Important - create unique configuration file name print ('---- Writing configuration: ', config_filename) with open( config_filename, "w",encoding='utf-8' ) as config_out: config_out.write( config_data ) return def main(): starting_time = time() ip_list = read_device_excel() for ipaddr in ip_list: hwconfig = get_config(ipaddr) write_config_to_file(hwconfig,ipaddr) print ('\n---- End get config threading, elapsed time=', time() - starting_time) #======================================== # Get config of HUAWEI #======================================== if __name__ == '__main__': main() 加一段gevent，def run_gevent(）

2023-05-26 上传
with open( config_filename, "w",encoding='utf-8' ) as config_out: config_out.write( config_data ) return def run_gevent(ip_list): jobs = [] for ipaddr in ip_list: jobs.append(gevent.spawn(get_...

Write a program to 1.Setup a simulating backing store in memory. Read the data from pdata.bin to this backing store. 2.Initialize a page table for process p, set the frame number to be -1 for each page, indicating that the page is not loaded into memory yet. 3.Read logical addresses one by one from la.txt. 4.For each logical address, a)if its page has been loaded into physical memory, simply find the frame number in the page table, then generate physical address, find and print out the physical address and data inside this address. b)if the page is used for the first time, i.e., in page table, its frame number is -1，then the page that contains this address should be loaded into a free frame in physical memory (RAM). Then update the page table by adding the frame number to the right index in the page table. Then repeat 4a). Assumption: 1.Assume the file la.txt includes the sequence of generated addresses from CPU. 2.Use a part of memory as backing store that store data for a process. 3.The backing store size is 128 bytes 4.The size of process p is 128 bytes. 5.The contents of p is included in a file pdata.bin which is a binary file. 6.Use a part of memory as RAM. The size of physical memory is 256 bytes, from 0 to 255. All the physical memory is available, allocating starting from beginning in sequence. That is, allocate frame 0 first, then frame 1, then frame 2…. 7.The size of a frame is 32 bytes, i.e., 5 bits for the offset in a frame, total number of frames is 8. At beginning, no page table is available for process p.

2023-05-24 上传
```python BACKING_STORE_SIZE = 128 PHYSICAL_MEMORY_SIZE = 256 PAGE_SIZE = 32 NUM_FRAMES = PHYSICAL_MEMORY_SIZE // PAGE_SIZE # Initialize backing store backing_store = bytearray(BACKING_STORE_SIZE) ...
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