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what does bad color sequence mean in python turtle? 评论 Run screen.colormode(255) and it should work. – Blender May 27, 2013 at 18:00 回答1 From the docs 阅读全文
posted @ 2022-09-17 19:17
ChuckLu
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How do I get a list of locally installed Python modules? How do I get a list of Python modules installed on my computer? 评论 you can just do >>>help() 阅读全文
posted @ 2022-09-17 18:17
ChuckLu
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我擦，开始菜单调出来的python，是在 "C:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\python.exe" 打开vs的安装包，然后把Python环境那个去掉。 查看Python命令行所在的路径 >>> imp 阅读全文
posted @ 2022-09-17 18:06
ChuckLu
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Generate random colors (RGB) I just picked up image processing in python this past week at the suggestion of a friend to generate patterns of random c 阅读全文
posted @ 2022-09-17 18:04
ChuckLu
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Why does Python's eval(input("Enter input: ")) change input's datatype? 问题 In Python 3, I write a simple command to accept an integer input from the u 阅读全文
posted @ 2022-09-17 17:26
ChuckLu
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Behaviour of increment and decrement operators in Python How do I use pre-increment/decrement operators (++, --), just like in C++? Why does ++count r 阅读全文
posted @ 2022-09-17 16:16
ChuckLu
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Python, move turtle to relative coordinates 回答1 Simply get current position, change it and move to it turtle.goto( turtle.pos() + (15,-15) ) 阅读全文
posted @ 2022-09-17 15:51
ChuckLu
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计算机网络原理第一篇 第一章：- 1.1 计算机网络在信息时代中的作用。21世纪的一些重要特征是。。数字化。网络化。和信息化，他是一个以。。网络为核心的信息时代。。网络现在已经成为信息社会的命脉和发展知识经济的重要基础。。大众所熟知的三大类网络有：1、电信网络：提供电话、电报、及传真等服务；2、有线 阅读全文
posted @ 2022-09-17 15:34
ChuckLu
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Network Access Point (NAP) Definition of Network Access Point (NAP) in The Network Encyclopedia. What is NAP (Network Access Point)? NAP stands for Ne 阅读全文
posted @ 2022-09-17 14:58
ChuckLu
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why does abs() function works for the position coordinate in Python? I am looking at the Python document for turtle graphics, it has an example on dra 阅读全文
posted @ 2022-09-17 14:07
ChuckLu
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Visual Studio Code is not showing the ouput of Python 回答1 Using the Python Extension Run/Debug commands Notes I recommend reviewing the official Visua 阅读全文
posted @ 2022-09-17 11:02
ChuckLu
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<div>是块级元素 <span>是内联元素 Block versus inline elements There are two important categories of elements to know in HTML: block-level elements and inline el 阅读全文
posted @ 2022-09-17 10:48
ChuckLu
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AttributeError: module 'datetime' has no attribute 'now' I am learning Python on my own. Now I have encountered some problems. Below is my code which 阅读全文
posted @ 2022-09-17 10:44
ChuckLu
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使用像 CodePen 这样基于 Web 的集成开发环境 有许多 web 应用能够仿真一个网站开发环境。你可以在这种应用——通常只有一个标签页——里输入 HTML、CSS 和 JavaScript 代码然后像显示网页一样显示代码的结果。通常这些工具都很简单，对学习很有帮助，而且至少有免费的基本功能， 阅读全文
posted @ 2022-09-17 10:35
ChuckLu
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How to clear the interpreter console? 回答1 As you mentioned, you can do a system call: For Windows: >>> import os >>> clear = lambda: os.system('cls') 阅读全文
posted @ 2022-09-17 10:23
ChuckLu
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直接打开Python app,出现命令行 turtle.home() 打开面板 turtle.position() 查看当前位置 turtle.heading() 查看当前方向 https://docs.python.org/3/library/turtle.html https://docs.py 阅读全文
posted @ 2022-09-17 10:16
ChuckLu
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What does end=' ' exactly do? So, I'm struggling trying to understand this kinda simple exercise def a(n): for i in range(n): for j in range(n): if i 阅读全文
posted @ 2022-09-17 10:07
ChuckLu
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不用中间变量交换 a ，b（三种方法） 1、加减法：该方法可以交换整型和浮点型数值的变量，但在处理浮点型的时候有可能出现精度的损失 a = a + b; b = a - b; a = a - b; 2、异或法：可以完成对整型变量的交换，对于浮点型变量它无法完成交换。 a = a^b; b = a^b 阅读全文
posted @ 2022-09-17 09:30
ChuckLu
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eval('123')+eval('456') eval('123'+'456') '123'+'456' 123+456 eval('print(12)') 阅读全文
posted @ 2022-09-17 09:07
ChuckLu
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Please stop citing TIOBE What is TIOBE? The TIOBE Programming Community index is an indicator of the popularity of programming languages. The index is 阅读全文
posted @ 2022-09-17 00:38
ChuckLu
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