做Problem Set时,我经常求助ChatGPT和网上的教程,这些资源帮助我理解了一些复杂的概念。📚 Week 6:Python入门 从Week 6开始,课程转向了Python,并与C语言和Scratch进行了衔接。相比前两周的内容,这一周相对简单。📚 Week 7:SQL基础 Week 7介绍了SQL,我感觉这部分内容既简单又有趣。主要是通过引用和分析数据库...
Week 5 Unit Tests Testing my twittr 题目描述: 测试Problem Set2中Setting up my twttr程序; 题解: twttr.py def main(): print("Output: ", shorten(input(&qu
我们将实现一个parser,用python的语法解析库nltk来解析句子。 我们要编写语法规则,让“AI”能够解析特定的句子 NONTERMINALS = """ S -> NP VP | NP VP NP | S Conj S | NP VP NP Adv | S Conj VP NP | NP VP NP NP | S Conj VP NP NP | NP VP NP NP NP NP -> N | Det N | Det...
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Week 5: Unit Tests Testing my twttr Back to the Bank Re-requesting a Vanity Plate ⭐Refueling Week 6: File I/O Lines of Code Pizza Py Scourgify ⭐CS50 P-ShirtAbout My solutions for CS50P's problem sets Topics python learning-python edx cs50 learning-by-doing pset harvard harvardx...
Week0 Functions Indoor Voice 题目描述: 将输入的字符串转化为全部小写的字符串; 思路: lower():转换字符串中所有大写字符为小写。 题解: print(input().lower()) Playback Speed 题目描述: 将输入的字符串中间空格部分替换为“.
Week 6 ⚽🏥 This week was mainly spent getting used to coding in Python. The different syntax definitely is a big change from C, but there are many quality of life changes in Python that make it much easier to code. World Cup ...
直到课程引入到python和前端三剑客(html,css,js)时整个课程难度直线上升。因为这个时候课程基本只讲基础的应用技术,进阶应用需要自己读手册学(比如Bootstrap和flask这些框架基本就是课程只讲基础但作业仿佛来到了另一个世界)。在最后的flask章节我也是通过youtube+github+google三大法才搞明白股票交易网站的实现。 这门...
Motasim Fuad6/4/2023 at 11:37pm I’m currently a Flutter developer. As im from a non-cse background, should i take this course? Im not sure how much it will help me in my career. I didn’t have plans to learn Python, but always wanted to explore the backend field with node, ...
CS50金融是哈佛大学开设的一门计算机科学课程,旨在教授学生如何应用计算机科学的原理和技术解决金融领域的问题。KeyError是Python编程语言中的一个异常类型,表示在字典中查找指定键时未找到该键。 在CS50金融中,KeyError可能会在处理金融数据时出现。例如,当尝试从一个字典中获取某个金融产品的信息时,如果该产品的键不存...