## 介ç»
å‘Šåˆ«æž¯ç‡¥ï¼Œå‘Šåˆ«æž¯ç‡¥ï¼Œè‡´åŠ›äºŽæ‰“é€ Python ç»å…¸å°ä¾‹åã€å°æ¡ˆä¾‹ã€‚
## License
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## Python å°ä¾‹å
### 基本æ“作
| å°ä¾‹å | 链接 | æ ‡ç¾ | 版本 | 难度 |
| ---- | ---------------------------------- | ---- | ---- | ---- |
|1 | [常è§ç®—术è¿ç®—](md/198.md)| è¿ç®— | v1| ââ |
| 2 | [实现 relu](md/1.md) | max | V4.0 | âï¸âï¸ |
| 3 | [进制转化](md/2.md) | bin,oct,hex | V4.0 | âï¸âï¸|
| 4 | [æ•´æ•°å’ŒASCII互转](md/3.md) | chr,ord | V1.0 | âï¸âï¸ |
| 5 | [å…ƒç´ éƒ½ä¸ºçœŸæ£€æŸ¥](md/4.md) | all | V2.0 | âï¸âï¸âï¸ |
| 6 | [至少一个为真检查](md/5.md) | any | V2.0 | âï¸âï¸âï¸ |
| 7 | [判æ–是真是å‡](md/6.md) | bool | V2.0 | âï¸âï¸âï¸ |
| 8 | [创建å¤æ•°](md/7.md) | complex | V1.0 | âï¸âï¸âï¸ |
| 9 | [å–商和余数](md/8.md) | divmod | V1.0 | âï¸âï¸ |
| 10 | [转为浮点类型](md/9.md) | float | V1.0 | âï¸âï¸ |
| 11 | [转为整型](md/10.md) | int | V1.0 | âï¸ |
| 12 | [次幂](md/11.md) | pow | V1.0 | âï¸ |
| 13 | [å››èˆäº”å…¥](md/12.md) | round | V1.0 | âï¸ |
| 14 | [链å¼æ¯”较](md/13.md) | compare | V1.0 | âï¸âï¸ |
| 15 | [å—符串转å—节](md/14.md) | bytes,utf-8 | V1.0 | âï¸âï¸ |
| 16 | [ä»»æ„对象转为å—符串](md/15.md) | str | V1.0 | âï¸âï¸ |
| 17 | [执行å—符串表示的代ç ](md/16.md) | compile | V1.0 | âï¸âï¸âï¸ |
| 18 | [计算表达å¼](md/17.md) | eval | V1.0 | âï¸âï¸âï¸âï¸ |
| 19 | [å—ç¬¦ä¸²æ ¼å¼åŒ–](md/18.md) | format | V1.0 | âï¸âï¸âï¸âï¸ |
| 20 | [交æ¢ä¸¤å…ƒç´ ](md/23.md) | pack,unpack | V1.0 | âï¸âï¸ |
| 21 | [转为å—å…¸](md/29.md) | dict | V1.0 | âï¸âï¸ |
| 22 | [冻结集åˆ](md/30.md) | frozenset | V1.0 | âï¸âï¸ |
| 23 | [转为集åˆç±»åž‹](md/31.md) | set | V1.0 | âï¸âï¸ |
| 24 | [转元组](md/32.md) | tuple | V1.0 | âï¸âï¸ |
| 25 | [查看å˜é‡æ‰€å å—节数](md/48.md) | getsizeof | V1.0 | âï¸âï¸âï¸ |
| 26 | [å«å•ä¸ªå…ƒç´ 的元组](md/154.md) | tuple | V1.0 | âï¸â |
| 27 | [åˆ—è¡¨åˆ é™¤ä¹‹å‘](md/159.md) | list | V1.0 | âï¸â |
| 28 | [列表快速å¤åˆ¶ä¹‹å‘](md/160.md) | list | V1.0 | âï¸ââ |
| 29 | [å‘现列表å‰3个最大或最å°æ•°](md/195.md) | list heapq | v1.0 | âï¸âââ |
| 30 | [å—符串驻留](md/161.md) | str | V1.0 | âï¸ââââ |
| 31 | [创建空集åˆé”™è¯¯](md/166.md) | set | V1.0 | âï¸â |
| 32 | [充分认识for](md/164.md) | for | V1.0 | âï¸ââ |
| 33 | [认识执行时机](md/165.md) | generator | V1.0 | âï¸ââââ |
### 函数和模å—常è§ç”¨æ³•
| å°ä¾‹å | 链接 | æ ‡ç¾ | 版本 | 难度 |
| ---- | ---------------------------------- | ---- | ---- | ---- |
| 1 | [æ“作函数对象](md/24.md) | operator | V2.0 | âï¸âï¸âï¸âï¸ |
| 2 | [创建rangeåºåˆ—](md/55.md) | range | V1.0 | âï¸âï¸ |
| 3 | [生æˆé€†åºåºåˆ—](md/25.md) | range | V1.0 | âï¸âï¸ |
| 4 | [æ‹¿æ¥å°±ç”¨çš„排åºå‡½æ•°](md/19.md) | sorted | V1.0 | âï¸âï¸âï¸ |
| 5 | [求和函数](md/20.md) | sum | V1.0 | âï¸âï¸ |
| 6 | [函数的五类å‚数使用例å](md/26.md) | variable parameter | V2.0 | âï¸âï¸âï¸âï¸ |
| 7 | [使用slice对象](md/27.md) | slice | V2.0 | âï¸âï¸âï¸âï¸âï¸ |
| 8 | [lambda 函数](md/28.md) | lambda | V3.0 | âï¸âï¸âï¸âï¸ |
| 9 | [枚举对象](md/47.md) | enumerate | V1.0 | âï¸âï¸âï¸ |
| 10 | [过滤器filter](md/49.md) | filter | V1.5 | âï¸âï¸âï¸ |
| 11 | [返回对象哈希值](md/50.md) | hash | V1.0 | âï¸âï¸ |
| 12 | [带åå—的元组](md/79.md) | namedtuple | V1.0 | âï¸âï¸âï¸ |
| 13 | [一行代ç 实现列表å转](md/70.md) | reverse | V1.0 | âï¸âï¸ |
| 14 | [å转å—符串的两个方法](md/86.md) | reversed | V1.0 | âï¸âï¸ |
| 15 | [join 串è”å—符串](md/87.md) | join | V1.0 | âï¸âï¸ |
| 16 | [å—符串å—节长度](md/88.md) | encode | V1.0 | âï¸âï¸ |
| 17 | [groupbyå•å—段分组](md/129.md) | itertools, groupby,lambda | V1.0 | âï¸âï¸âï¸ |
| 18 | [groupby多å—段分组](md/130.md) | itemgetter,itertools,groupby | V1.0 | âï¸âï¸âï¸âï¸ |
| 19 | [itemgetterå’Œkey函数](md/131.md) | operator,itemgetter,itertools | V1.0 | âï¸âï¸âï¸âï¸âï¸ |
| 20 | [sum函数计算和èšåˆåŒæ—¶åš](md/132.md) | sum,generator | V1.0 | âï¸âï¸âï¸âï¸âï¸ |
| 21 | [默认å‚数设为空](md/155.md) | function | V1.0 | âï¸ââ |
| 22 | [å„ç§å‚数使用之å‘](md/158.md) | function paremeter | V1.0 | âï¸ââ |
| 23 | [lambda自由å‚数之å‘](md/157.md) | lambda | V1.0 | âï¸ââ |
| 24 | [ä½¿ç”¨å †å‡åºåˆ—表](md/196.md) | sort heapq | v1.0 | âï¸âââ |
### é¢å‘对象
| å°ä¾‹å | 链接 | æ ‡ç¾ | 版本 | 难度 |
| ---- | ---------------------------------- | ---- | ---- | ---- |
| 1 | [æ‰€æœ‰å¯¹è±¡ä¹‹æ ¹](md/43.md) | object | V1.0 | âï¸ |
| 2 | [对象是å¦å¯è°ƒç”¨](md/33.md) | callable | V2.5 | âï¸âï¸âï¸âï¸ |
| 3 | [ascii 展示对象](md/34.md) | `__repr__` | V2.5 | âï¸âï¸âï¸ |
| 4 | [类方法](md/35.md) | classmethod | V1.5 | âï¸âï¸âï¸ |
| 5 | [动æ€åˆ 除属性](md/36.md) | delattr,hasattr | V1.5 | âï¸âï¸ |
| 6 | [一键查看对象所有方法](md/37.md) | dir | V1.5 | âï¸âï¸ |
| 7 | [动æ€èŽ·å–对象属性](md/38.md) | getattr | V1.5 | âï¸âï¸ |
| 8 | [对象是å¦æœ‰æŸä¸ªå±žæ€§](md/39.md) | hasattr | V1.5 | âï¸âï¸âï¸ |
| 9 | [对象门牌å·](md/40.md) | id | V1.0 | âï¸ |
| 10 | [实例和对象关系判æ–](md/41.md) | isinstance | V1.5 | âï¸âï¸âï¸ |
| 11 | [issubclass父å关系鉴定](md/42.md) | issubclass | V1.5 | âï¸âï¸âï¸ |
| 12 | [创建属性的两ç§æ–¹æ³•](md/44.md) | property | V2.5 | âï¸âï¸âï¸âï¸âï¸ |
| 13 | [查看对象类型](md/45.md) | type | V1.0 | âï¸ |
| 14 | [元类使用介ç»](md/46.md) | type,`__class__` | V2.0 | âï¸âï¸âï¸âï¸âï¸ |
| 15 | [相åŒå€¼çš„ä¸å¯å˜å¯¹è±¡](md/162.md) | mutable | V1.0 | âï¸ââ |
| 16 | [对象销æ¯é¡ºåº](md/163.md) | OOP del | V1.0 | âï¸âââ |
| 17 | [å类继承父类的é™æ€æ–¹æ³•å—？](md/171.md) | staticmethod | V1.0 | âï¸ââ |
### æ£åˆ™
| å°ä¾‹å | 链接 | æ ‡ç¾ | 版本 | 难度 |
| ---- | ---------------------------------- | ---- | ---- | ---- |
| 1 | [æ£åˆ™ä¸å—符 `r`作用](md/89.md) | re,r | V3.0 | âï¸âï¸âï¸ |
| 2 | [æ£åˆ™åŽŸåæ“作](md/90.md) | re | V3.0 | âï¸âï¸âï¸ |
| 3 | [æ£åˆ™ä¸çš„转义](md/91.md) | re,\ | V3.0 | âï¸âï¸âï¸ |
| 4 | [æ£åˆ™æœ€æ™®é€šæŸ¥æ‰¾](md/92.md) | re,findall | V3.0 | âï¸âï¸âï¸ |
| 5 | [使用通用å—符查找](md/93.md) | re,\s,\w,\d | V3.0 | âï¸âï¸âï¸ |
| 6 | [使用元å—符查找](md/94.md) | re,+,* | V3.0 | âï¸âï¸âï¸ |
| 7 | [æ•èŽ·å串](md/95.md) | () | V3.0 | âï¸âï¸âï¸âï¸ |
| 8 | [贪心æ•èŽ·å’Œéžè´ªå¿ƒæ•èŽ·](md/96.md) | re | V1.0 | âï¸âï¸âï¸âï¸ |
| 9 | [使用æ£åˆ™åšå¯†ç 安全检查](md/97.md) | re | V1.0 | âï¸âï¸âï¸âï¸âï¸ |
| 10 | [爬å–ç™¾åº¦é¦–é¡µæ ‡é¢˜](md/98.md) | re | V1.0 | âï¸âï¸âï¸âï¸ |
| 11 | [批é‡è½¬åŒ–ä¸ºé©¼å³°æ ¼å¼(Camel)](md/99.md) | re | V1.0 | âï¸âï¸âï¸âï¸âï¸ |
| 12 | [使用æ£åˆ™åˆ¤æ–是å¦ä¸ºæ£æµ®ç‚¹æ•°](md/102.md) | str,re,float | V1.0 | âï¸âï¸âï¸âï¸âï¸ |
| 13 | [使用æ£åˆ™æå–æ£æ•´æ•°å’Œå¤§äºŽ0的浮点数](md/197.md) | re findall | v2 | âï¸âââ |
### 装饰器è¿ä»£å™¨ç”Ÿæˆå™¨
| å°ä¾‹å | 链接 | æ ‡ç¾ | 版本 | 难度 |
| ---- | ---------------------------------- | ---- | ---- | ---- |
| 1 | [通俗ç†è§£è£…饰器](md/138.md) | decorator | V1.0 | âï¸âï¸âï¸ |
| 2 | [测试函数è¿è¡Œæ—¶é—´çš„装饰器](md/136.md) | decorator | V1.0 | âï¸âï¸âï¸âï¸ |
| 3 | [统计异常次数装饰器](md/137.md) | decorator,nonlocal | V1.5 | âï¸âï¸âï¸âï¸ |
| 4 | [定制递å‡è¿ä»£å™¨](md/139.md) | Iterator | V3.0 | âï¸âï¸âï¸âï¸ |
| 5 | [创建è¿ä»£å™¨](md/53.md) | iter,`__iter__` | V1.5 | âï¸âï¸âï¸ |
| 6 | [åå‘è¿ä»£å™¨reversed](md/56.md) | reversed | V1.0 | âï¸âï¸ |
| 7 | [zipè¿ä»£å™¨](md/57.md) | zip | V1.5 | âï¸âï¸âï¸ |
| 8 | [list分组(生æˆå™¨ç‰ˆ)](md/134.md) | yield,generator | V1.0 | âï¸âï¸âï¸ |
| 9 | [列表全展开(生æˆå™¨ç‰ˆ)](md/135.md) | list,yield,generator | V1.0 | âï¸âï¸âï¸ |
| 10 | [chain串è”å°å®¹å™¨ä¸ºå¤§å®¹å™¨](md/84.md) | itertools,chain | V1.0 | âï¸âï¸âï¸âï¸âï¸ |
| 11 | [product 使用案例](md/85.md) | product | V1.0 | âï¸âï¸âï¸âï¸âï¸ |
| 12 | [æ–波那契数列å‰n项](md/126.md) | yield,range | V1.0 | âï¸âï¸âï¸ |
### 绘图
| å°ä¾‹å | 链接 | æ ‡ç¾ | 版本 | 难度 |
| ---- | ---------------------------------- | ---- | ---- | ---- |
| 1 | [turtle绘制奥è¿äº”环图](md/140.md) | turtle | V1.0 | âï¸âï¸âï¸ |
| 2 | [turtle绘制漫天雪花](md/141.md) | turtle | V1.0 | âï¸âï¸âï¸ |
| 3 | [Pythonè¯äº‘图](md/142.md) | WordCloud | V1.0 | âï¸âï¸â |
| 4 | [Plotly柱状图和折线图](md/143.md) | plotly | V1.0 | âï¸â |
| 5 | [seabornçƒåŠ›å›¾](md/144.md) | seaborn | V1.0 | âï¸â |
| 6 | [Pyecharts仪表盘](md/145.md) | pyecharts | V1.0 | âï¸â |
| 7 | [Pyechartsæ¼æ–—图](md/146.md) | pyecharts | V1.0 | âï¸â |
| 8 | [Pyechartsæ°´çƒå›¾](md/147.md) | pyecharts | V1.0 | âï¸â |
| 9 | [Pyecharts饼图](md/148.md) | pyecharts | V1.0 | âï¸â |
| 10 | [Pyechartsæžåæ ‡å›¾](md/149.md) | pyecharts | V1.0 | âï¸â |
| 11 | [Pyechartsè¯äº‘图](md/150.md) | pyecharts | V1.0 | âï¸â |
| 12 | [PyechartsçƒåŠ›å›¾](md/151.md) | pyecharts | V1.0 | âï¸â |
| 13 | [matplotlib绘制动图](md/152.md) | matplotlib | V1.0 | âï¸â |
| 14 | [seaborn pairplot图](md/153.md) | seaborn | V1.0 | âï¸âââ |
| 15 | [pyechartsä¼ å…¥Numpyæ•°æ®ç»˜å›¾å¤±è´¥](md/167.md) | numpy pyecharts | V1.0 | âï¸ââ |
| 16 | [图åƒå¤„ç†åŒ…pillow](md/169.md) | pillow | V1.0 | âï¸ââ |
### æ•°æ®åˆ†æž
| å°ä¾‹å | 链接 | æ ‡ç¾ | 版本 | 难度 |
| ---- | ---------------------------------- | ---- | ---- | ---- |
| 1 | [æ•°æ®åˆ†æžç¥žå™¨ï¼šdeepnote](./md/177.md) | deepnote | v1.0 | âï¸ââ |
| 2 | [NumPy çš„pad填充方法](md/172.md) | NumPy pad | V1.0 | âï¸âââ |
| 3 | [创建下对角线为1ã€2ã€3ã€4的对角矩阵](md/173.md) | NumPy diag | V1.0 | âï¸ââ |
| 4 | [cut æ•°æ®åˆ†ç®±](md/174.md) | Pandas cut | v1.0 | âï¸ââ |
| 5 | [丢弃空值和填充空值](./md/175.md) | Pandas dropna fillna | v1.0 | âï¸ââ |
| 6 | [apply 方法去掉特殊å—符](./md/178.md) | pandas apply | v1.0 | âï¸ââ |
| 7 | [使用map对列åšç‰¹å¾å·¥ç¨‹](./md/179.md) | pandas map | v1.0 | âï¸ââ |
| 8 | [category列转数值](./md/180.md) | pandas category | v1.0 | âï¸ââ |
| 9 | [rank排å](./md/181.md) | pandas rank | v1.0 | âï¸ââ|
| 10 | [完æˆæ•°æ®ä¸‹é‡‡æ ·ï¼Œè°ƒæ•´æ¥é•¿ç”±å°æ—¶ä¸ºå¤©](./md/182.md) | pandas resample | v1.0 | âï¸ââ |
| 11 | [如何用 Pandas 快速生æˆæ—¶é—´åºåˆ—æ•°æ®](./md/183.md) | pandas util | v1.0 | âï¸ââ |
| 12 | [如何快速找出 DataFrame 所有列 null 值个数](./md/184.md) | pandas isnull sum | v1.0 | âï¸ââ |
| 13 | [é‡æ–°æŽ’åº DataFrame 的列](./md/185.md) | pandas dataframe | v1.0 | âï¸ââ |
| 14 | [使用 count 统计è¯æ¡ 出现次数](./md/186.md) | pandas count | v1.0 | âï¸ââ |
| 15 | [split 求时分(HH:mm)的分钟差](./md/187.md) | pandas split | v1.0 | âï¸ââ |
| 16 | [melté€è§†æ•°æ®å°æŠ€å·§](./md/188.md) | pandas melt | v1.0 | âï¸ââ |
| 17 | [pivot é€è§†å°æŠ€å·§](./md/189.md) | pandas melt | v1.0 | âï¸ââ |
| 18 | [péšæœºè¯»å–文件的K行，生æˆN个](./md/190.md) | pandas sample | v1.0 | âï¸ââ |
| 19 | [æ ¼å¼åŒ–Pandas的时间列](md/191.md) | pandas apply | v1.0 | âï¸âââ |
### 其他常用
| å°ä¾‹å | 链接 | æ ‡ç¾ | 版本 | 难度 |
| ---- | ---------------------------------- | ---- | ---- | ---- |
| 1 | [help 一键帮助](md/51.md) | help | V1.0 | âï¸ |
| 2 | [获å–用户输入](md/52.md) | input | V1.0 | âï¸ |
| 3 | [文件读写和mode å–值表](md/54.md) | open,read,write,with,mode | V2.0 | âï¸âï¸âï¸ |
| 4 | [operator使用举例](md/58.md) | operator | V1.0 | âï¸âï¸âï¸âï¸ |
| 5 | [ä¼ è¾“json对象](md/59.md) | json | V2.0 | âï¸âï¸âï¸âï¸âï¸ |
| 6 | [获å–文件åŽç¼€å](md/103.md) | os,splitext | V1.0 | âï¸âï¸ |
| 7 | [获å–路径ä¸çš„文件å](md/104.md) | os,split | V1.0 | âï¸âï¸ |
| 8 | [批é‡ä¿®æ”¹æ–‡ä»¶åŽç¼€](md/105.md) | argparse,listdir | V1.0 | âï¸âï¸âï¸âï¸ |
| 9 | [xls批é‡è½¬æ¢æˆxlsx](md/106.md) | os,listdir,splitext | V1.0 | âï¸âï¸âï¸âï¸ |
| 10 | [获å–指定åŽç¼€å的文件](md/107.md) | os,listdir,splitext | V1.0 | âï¸âï¸âï¸âï¸ |
| 11 | [批é‡åŽ‹ç¼©æ–‡ä»¶](md/108.md) | zipfile | V1.0 | âï¸âï¸âï¸âï¸ |
| 12 | [32ä½åŠ 密](md/109.md) | hashlib | V1.0 | âï¸âï¸âï¸âï¸ |
| 13 | [年的日历图](md/110.md) | calendar | V1.0 | âï¸âï¸ |
| 14 | [判æ–是å¦ä¸ºé—°å¹´](md/111.md) | calendar | V1.0 | âï¸âï¸âï¸ |
| 15 | [判æ–æœˆæœ‰å‡ å¤©](md/112.md) | calendar,datetime | V1.0 | âï¸âï¸âï¸ |
| 16 | [月的第一天](md/113.md) | datetime | V1.0 | âï¸âï¸ |
| 17 | [月的最åŽä¸€å¤©](md/114.md) | calendar,datetime | V1.0 | âï¸âï¸ |
| 18 | [获å–当å‰æ—¶é—´](md/115.md) | time,datetime | V1.0 | âï¸âï¸ |
| 19 | [å—符时间转时间](md/116.md) | time,datetime | V1.0 | âï¸âï¸ |
| 20 | [时间转å—符时间](md/117.md) | time,datetime | V1.0 | âï¸âï¸ |
| 21 | [获得æŸå¤©åŽçš„1~n天](md/133.md) | Calendar,monthrange | V4.0 | âï¸âï¸âï¸ |
| 22 | [默认å¯åŠ¨ä¸»çº¿ç¨‹](md/118.md) | threading | V1.0 | âï¸âï¸ |
| 23 | [创建线程](md/119.md) | threading | V1.0 | âï¸âï¸ |
| 24 | [交替获得CPU时间片](md/120.md) | threading | V1.0 | âï¸âï¸âï¸ |
| 25 | [多线程抢夺åŒä¸€ä¸ªå˜é‡](md/121.md) | threading | V1.0 | âï¸âï¸âï¸ |
| 26 | [多线程å˜é‡ç«žäº‰å¼•èµ·çš„问题](md/122.md) | threading | V1.0 | âï¸âï¸âï¸ |
| 27 | [多线程é”](md/123.md) | threading,lock | V1.0 | âï¸âï¸âï¸ |
| 28 | [时间转数组åŠå¸¸ç”¨æ ¼å¼](md/124.md) | time,datetime,format | V1.0 | âï¸âï¸âï¸ |
| 29 | [nonlocal用于内嵌函数ä¸](md/21.md) | nonlocal | V2.0 | âï¸âï¸âï¸âï¸âï¸ |
| 30 | [global 声明全局å˜é‡](md/22.md) | global | V2.0 | âï¸âï¸âï¸âï¸âï¸ |
| 31 | [共享å˜é‡æœªç»‘定之å‘](md/156.md) | global | V1.0 | âï¸ââ |
| 32 | [优化代ç 异常输出包](md/168.md) | debugger | V1.0 | âï¸ââ |
| 33 | [一行代ç 找到编ç ](md/170.md) | chardet | V1.0 | âï¸ââ |
| 34 | [创建SQLite连接](md/192.md) | SQLite | v1.0 | âï¸âââ |
| 35 | [json对象转python对象](md/193.md) | python json | v1.0 | âï¸âââ |
| 36 | [python对象转json对象](md/194.md) | python json | v1.0 | âï¸âââ |
| 37 | [一行代ç 让 pip å®‰è£…åŠ é€Ÿ 100 å€](md/176.md) | pip install | v1.0 | âï¸ââ |
### 工作常用案例
| å°ä¾‹å | 链接 | æ ‡ç¾ | 版本 | 难度 |
| ---- | ---------------------------------- | ---- | ---- | ---- |
| 1 | [ä¸ç”¨elseå’Œif实现计算器](md/60.md) | operator | V1.0 | âï¸âï¸âï¸ |
| 2 | [去最求平å‡](md/61.md) | list,sort,round | V1.0 | âï¸âï¸âï¸âï¸ |
| 3 | [打å°99乘法表](md/62.md) | for,range,format | V1.0 | âï¸âï¸âï¸ |
| 4 | [递归版flatten函数](md/63.md) | recursion,list,isinstance | V1.0 | âï¸âï¸âï¸âï¸ |
| 5 | [列表ç‰åˆ†ä¸ºn份](md/64.md) | list,ceil | V1.0 | âï¸âï¸âï¸ |
| 6 | [压缩列表](md/65.md) | list,filter | V1.0 | âï¸âï¸âï¸âï¸ |
| 7 | [求更长的列表](md/66.md) | max,lambda | V1.0 | âï¸âï¸âï¸âï¸âï¸ |
| 8 | [求列表众数](md/67.md) | max,lambda,count | V1.0 | âï¸âï¸âï¸âï¸ |
| 9 | [所有多个列表的最大值](md/68.md) | max,lambda | V1.0 | âï¸âï¸âï¸âï¸ |
| 10 | [列表检查é‡å¤](md/69.md) | set | V1.0 | âï¸âï¸âï¸ |
| 11 | [浮点数ç‰å·®æ•°åˆ—](md/71.md) | range,float | V1.0 | âï¸âï¸âï¸âï¸ |
| 12 | [按æ¡ä»¶åˆ†ç»„](md/72.md) | lambda | V1.0 | âï¸âï¸âï¸âï¸ |
| 13 | [map实现å‘é‡è¿ç®—](md/73.md) | map,lambda | V1.0 | âï¸âï¸âï¸ |
| 14 | [值最大的å—å…¸](md/74.md) | max,lambda | V1.0 | âï¸âï¸âï¸âï¸ |
| 15 | [åˆå¹¶ä¸¤ä¸ªå—å…¸](md/75.md) | ** | V1.0 | âï¸âï¸âï¸ |
| 16 | [Topn å—å…¸](md/76.md) | heapq,nlargest | V1.0 | âï¸âï¸âï¸ |
| 17 | [判æ–是å¦ä¸ºå¼‚ä½è¯](md/77.md) | collections,Counter | V1.0 | âï¸âï¸âï¸ |
| 18 | [逻辑上åˆå¹¶å—å…¸](md/78.md) | ChainMap | V1.0 | âï¸âï¸âï¸âï¸âï¸ |
| 19 | [sample æ ·æœ¬æŠ½æ ·](md/80.md) | random,sample | V1.0 | âï¸âï¸âï¸ |
| 20 | [é‡æ´—æ•°æ®é›†](md/81.md) | shuffle | V1.0 | âï¸âï¸âï¸ |
| 21 | [10个å‡åŒ€åˆ†å¸ƒçš„åæ ‡ç‚¹](md/82.md) | random,uniform | V1.0 | âï¸âï¸âï¸ |
| 22 | [10个高斯分布的åæ ‡ç‚¹](md/83.md) | random,gauss | V1.0 | âï¸âï¸âï¸âï¸ |
| 23 | [是å¦äº’为排åºè¯](md/100.md) | collections,defaultdict | V1.0 | âï¸âï¸âï¸âï¸ |
| 24 | [str1是å¦ç”±str2旋转而æ¥](md/101.md) | str | V1.0 | âï¸âï¸âï¸ |
| 25 | [寻找第n次出现ä½ç½®](md/125.md) | enumerator | V1.0 | âï¸âï¸âï¸ |
| 26 | [找出所有é‡å¤å…ƒç´ ](md/127.md) | calendar,datetime | V1.0 | âï¸âï¸âï¸âï¸ |
| 27 | [è”åˆç»Ÿè®¡æ¬¡æ•°](md/128.md) | Counter | V1.0 | âï¸âï¸âï¸âï¸âï¸ |
| 28 | [求两点çƒé¢è·ç¦»](md/199.md) | math asin | V1.0 | âï¸âï¸âï¸âï¸âï¸ |
| 29 | [获å–文件编ç ](md/200.md) | chardet | V1.0 | âï¸âï¸âï¸âï¸âï¸ |
| 30 | [æ ¼å¼åŒ–json串](md/201.md) | json | V1.0 | âï¸âï¸âï¸âï¸âï¸ |
