python code practice(四):树、图 1、平衡二叉树 给定一个二叉树,判断它是否是高度平衡的二叉树。 本题中,一棵高度平衡二叉树定义为: 一个二叉树每个节点 的左右两个子树的高度差的绝对值不超过1。 示例1: 给定二叉树 [3,9,20,null,null,15,7] 3 / \ 9 20 / \ 15 7 返回true 。 示例2: 给定...
minLength= min(minLength, r -l)ifminLength == nums_len + 1:return0returnminLength leetcode 438: 找出所有变位词(即元素位置/顺序发生了变化,但是整体元素一致) Given a string s and a non-empty string p, find all the start indices of p’s anagrams in s. Strings consists of lowercase English...
python code practice(一): 快排、归并、堆排的实现,双指针/滑动窗口技术,基本原理就不做介绍了,很基础的数据结构课程知识.私下回顾即可,主要学习代码.1.双指针https://leetcode-cn.com/problems/two-sum-ii-input-array-is-sorted/description/?utm_source=LCUS&utm_me
I created this code to practice using classes and methods because the courses don't explain it very well, but I keep having errors even though I changed the code several
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Including a README file is always a good practice, especially if you are working on a new project. These files are normally the main entry point for readers of your code and include general information for both users and maintainers of the project. While concise, the README file should ...
so i was just learning hen the next was practice but when i wrote the code i can only comeplete the test case 1 and 3 but not 2 its is in the introduction to python plea
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pythonic code,就是说写代码要带有浓厚的python规范和python风格。而Python的代码样式规范称之为PEP 8规范,往大了说,遵守PEP 8是成为一个优秀python程序员的必备条件。 书中有59个Python编程的技巧和捷径,并用真实代码示例进行了解释。当然阅读起来会有些门槛,适合那些有基础的童鞋。 广告 Effective Python:编写高...
Well organized Python code with informative variable names should require very few comments inside the bodies of functions and methods. PEP 8: Comments that contradict the code are worse than no comments. Always make a priority of keeping the comments up-to-date when the code changes! Comments ...