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####\u76F8\u5173\u77E5\u8BC6

#####\u5143\u7EC4\u4E0E\u5217\u8868
\u5143\u7EC4\u4E0E\u5217\u8868\u5F88\u76F8\u4F3C\uFF0C\u4E24\u8005\u4E4B\u95F4\u7684\u5DEE\u522B\u5728\u4E8E\uFF0C\u5217\u8868\u5728\u521D\u59CB\u5316\u540E\u5176\u4E2D\u7684\u5143\u7D20\u8FD8\u53EF\u4EE5\u8FDB\u884C\u589E\u5220\u6539\u7B49\u64CD\u4F5C\uFF0C\u4F46\u662F\u5143\u7EC4\u5728\u521D\u59CB\u5316\u540E\u5176\u4E2D\u7684\u5143\u7D20\u4E0D\u80FD\u8FDB\u884C\u66F4\u6539\uFF0C\u5217\u8868\u5728\u8D4B\u503C\u65F6\u4F7F\u7528\u65B9\u62EC\u53F7\`[]\`\uFF0C\u800C\u5143\u7EC4\u5728\u8D4B\u503C\u65F6\u4F7F\u7528\u5C0F\u62EC\u53F7\`()\`\u3002\u56E0\u4E3A\u5143\u7EC4\u5177\u6709\u4E0D\u53EF\u53D8\u7684\u7279\u6027\uFF0C\u6240\u4EE5\u5728\u80FD\u7528\u5143\u7EC4\u66FF\u4EE3\u5217\u8868\u7684\u5730\u65B9\u6700\u597D\u90FD\u4F7F\u7528\u5143\u7EC4\uFF0C\u8FD9\u6837\u4EE3\u7801\u66F4\u5B89\u5168\u3002

#####\u521B\u5EFA\u5143\u7EC4
\u5143\u7EC4\u521B\u5EFA\u5F88\u7B80\u5355\uFF0C\u53EA\u9700\u8981\u5728\u62EC\u53F7\`()\`\u4E2D\u6DFB\u52A0\u5143\u7D20\uFF0C\u5143\u7D20\u4E4B\u95F4\u7528\u9017\u53F7\u9694\u5F00\u3002\u5143\u7EC4\u4E2D\u53EA\u5305\u542B\u5355\u4E2A\u5143\u7D20\u65F6\uFF0C\u9700\u8981\u5728\u8BE5\u5143\u7D20\u540E\u9762\u6DFB\u52A0\u9017\u53F7\uFF0C\u4F8B\u5982\uFF1A

\`menu1 = ('meat','fish','chicken')\`
\`menu2 = ('meat',)\`
**![,](/api/attachments/386428)**
#####\u8BBF\u95EE\u5143\u7EC4
\u5143\u7EC4\u548C\u5217\u8868\u4E00\u6837\uFF0C\u53EF\u4EE5\u4F7F\u7528\u4E0B\u6807\u7D22\u5F15\u6765\u8BBF\u95EE\u5143\u7EC4\u4E2D\u7684\u503C\uFF0C\u4F8B\u5982:

\`\`\`python
menu = ('meat','fish','chicken','carrot')
print(menu[0])
print(menu[1:3])
\`\`\`

\u8F93\u51FA\u7ED3\u679C\uFF1A

\`meat\`
\`('fish', 'chicken')\`

#####\u4FEE\u6539\u5143\u7EC4

\u5143\u7EC4\u4E2D\u7684\u5143\u7D20\u503C\u662F\u4E0D\u53EF\u4EE5\u4FEE\u6539\u7684\uFF0C\u5982\u679C\u5F3A\u884C\u4FEE\u6539\u4F1A\u62A5\u9519\uFF0C\u4F8B\u5982\u5982\u679C\u6211\u4EEC\u60F3\u4FEE\u6539\u5143\u7EC4\`menu\`\u4E2D\u7684\u67D0\u4E2A\u503C\uFF1A

\`\`\`python
menu = ('meat','fish','chicken','carrot')
menu[0] = 'pizza'
print(menu[0])
\`\`\`

\u8F93\u51FA\u7ED3\u679C\uFF1A

\`TypeError: 'tuple' object does not support item assignment\`

\u7CFB\u7EDF\u4F1A\u81EA\u52A8\u62A5\u9519\uFF0C\u5143\u7EC4\u4E2D\u7684\u5143\u7D20\u503C\u4E0D\u652F\u6301\u4FEE\u6539\u3002

#####\u5143\u7EC4\u5185\u7F6E\u51FD\u6570

\u5143\u7EC4\u548C\u5217\u8868\u4E00\u6837\uFF0C\u90FD\u6709\u4E00\u4E9B\u5185\u7F6E\u51FD\u6570\u65B9\u4FBF\u7F16\u7A0B\u3002\u4F8B\u5982\uFF1A

\`len(tuple)\`\uFF1A\u8BA1\u7B97\u5143\u7EC4\u4E2D\u5143\u7D20\u4E2A\u6570\u3002

\`max(tuple)\`\uFF1A\u8FD4\u56DE\u5143\u7EC4\u4E2D\u5143\u7D20\u7684\u6700\u5927\u503C\u3002

\`min(tuple)\`\uFF1A\u8FD4\u56DE\u5143\u7EC4\u4E2D\u5143\u7D20\u7684\u6700\u5C0F\u503C\u3002

\`tuple(seq)\`\uFF1A\u5C06\u5217\u8868\u8F6C\u6362\u4E3A\u5143\u7EC4\u3002

\u5143\u7EC4\u4E2D\u7684\u5143\u7D20\u662F\u4E0D\u80FD\u6539\u53D8\u7684\uFF0C\u5B83\u4E5F\u6CA1\u6709\`append()\`\uFF0C\`insert()\`\u8FD9\u6837\u7684\u65B9\u6CD5\u3002\u4F46\u5176\u4ED6\u83B7\u53D6\u5143\u7D20\u7684\u65B9\u6CD5\u548C\u5217\u8868\u662F\u4E00\u6837\u7684\u3002

####\u7F16\u7A0B\u8981\u6C42

\u672C\u5173\u7684\u7F16\u7A0B\u4EFB\u52A1\u662F\u8865\u5168\`src/Step1/menu_test.py\`\u6587\u4EF6\u7684\u4EE3\u7801\u5185\u5BB9\uFF0C\u5B9E\u73B0\u5982\u4E0B\u529F\u80FD\uFF1A

- \u5C06\u8F93\u5165\u7684\u83DC\u5355menu_list\u8F6C\u6362\u4E3A\u5143\u7EC4\u7C7B\u578B
- \u6253\u5370\u8F93\u51FA\u751F\u6210\u7684\u5143\u7EC4
- \u6253\u5370\u8F93\u51FA\u5143\u7EC4\u4E2D\u9996\u5B57\u6BCD\u6700\u5927\u7684\u5143\u7D20

\u672C\u5173\u6D89\u53CA\u7684\u4EE3\u7801\u6587\u4EF6\`src/Step1/menu_test.py\`\u7684\u4EE3\u7801\u6846\u67B6\u5982\u4E0B\uFF1A

\`\`\`python
# coding=utf-8

# \u521B\u5EFA\u5E76\u521D\u59CB\u5316munu_list\u5217\u8868
menu_list = []
while True:
	try:
		food = input()
		menu_list.append(food)
	except:
		break

# \u8BF7\u5728\u6B64\u6DFB\u52A0\u4EE3\u7801\uFF0C\u5BF9menu_list\u8FDB\u884C\u5143\u7EC4\u8F6C\u6362\u4EE5\u53CA\u5143\u7EC4\u8BA1\u7B97\u7B49\u64CD\u4F5C\uFF0C\u5E76\u6253\u5370\u8F93\u51FA\u5143\u7EC4\u53CA\u5143\u7EC4\u6700\u5927\u7684\u5143\u7D20
###### Begin ######




#######  End #######
\`\`\`

####\u6D4B\u8BD5\u8BF4\u660E

\u672C\u5173\u7684\u6D4B\u8BD5\u6587\u4EF6\u662F\`src/Step1/menu_test.py\`\uFF0C\u6D4B\u8BD5\u8FC7\u7A0B\u5982\u4E0B\uFF1A

1. \u5E73\u53F0\u81EA\u52A8\u7F16\u8BD1\u5E76\u8FD0\u884C\`menu_test.py\`\uFF0C\u5E76\u4EE5\u6807\u51C6\u8F93\u5165\u65B9\u5F0F\u63D0\u4F9B\u6D4B\u8BC4\u8F93\u5165\uFF1B
3. \u5E73\u53F0\u83B7\u53D6\u7A0B\u5E8F\u7684\u8F93\u51FA\uFF0C\u7136\u540E\u5C06\u5176\u4E0E\u9884\u671F\u8F93\u51FA\u5BF9\u6BD4\uFF0C\u5982\u679C\u4E00\u81F4\u5219\u6D4B\u8BD5\u901A\u8FC7\uFF1B\u5426\u5219\u6D4B\u8BD5\u5931\u8D25\u3002

\u4EE5\u4E0B\u662F\u5E73\u53F0\u5BF9\`src/Step1/menu_test.py\`\u7684\u6837\u4F8B\u6D4B\u8BD5\u96C6\uFF1A

\u6D4B\u8BD5\u8F93\u5165\uFF1A
\`beef\`
\`veal\`
\`lamb\`
\`pork\`
\u9884\u671F\u8F93\u51FA\uFF1A
\`('beef', 'veal', 'lamb', 'pork')\`
\`veal\`

\u6D4B\u8BD5\u8F93\u5165\uFF1A
\`duck\`
\`broth\`
\`fish\`
\`macaroni\`
\u9884\u671F\u8F93\u51FA\uFF1A
\`('duck', 'broth', 'fish', 'macaroni')\`
\`macaroni\`

\u5F00\u59CB\u4F60\u7684\u4EFB\u52A1\u5427\uFF0C\u795D\u4F60\u6210\u529F\uFF01

\u5982\u679C\u4F60\u5E0C\u671B\u6210\u529F\uFF0C\u4EE5\u6052\u5FC3\u4E3A\u826F\u53CB\uFF0C\u4EE5\u7ECF\u9A8C\u4E3A\u53C2\u8C0B\uFF0C\u4EE5\u5C0F\u5FC3\u4E3A\u5144\u5F1F\uFF0C\u4EE5\u5E0C\u671B\u4E3A\u54E8\u5175\u3002

![](/api/attachments/171251)`,score:100,path:"src/step1/menu_test.py",difficulty:1,st:0,web_route:null,modify_time:"2020-07-20T15:04:34.000+08:00",exec_time:9,praises_count:0,ignore_space:1,open_rank:"CLOSE",hide_answer:!1,disable_copy:!1},shixun:{id:5207,name:"Python\u5143\u7EC4\u4E0E\u5B57\u5178\u5165\u95E8",user_id:1,gpid:null,visits:17,created_at:"2021-03-15T11:18:22.000+08:00",updated_at:"2021-03-16T20:38:08.000+08:00",status:0,language:"Python3.6",authentication:!1,identifier:"pmrfko5h",trainee:1,major_id:635,webssh:0,homepage_show:!1,hidden:!1,fork_from:3028,can_copy:!1,modify_time:"2017-10-11T09:45:02.000+08:00",reset_time:"2017-10-11T09:45:02.000+08:00",publish_time:"2019-08-02T11:30:27.000+08:00",closer_id:null,end_time:null,git_url:"eduforge/afvk9r35-1",myshixuns_count:1,challenges_count:4,use_scope:0,mirror_script_id:null,image_text:null,show_code_dir:!1,task_pass:!1,exec_time:145,test_set_permission:!0,sigle_training:!1,hide_code:!1,multi_webssh:!1,excute_time:null,repo_name:"innov/pmrfko5h20210315111822",averge_star:5,opening_time:null,users_count:1,forbid_copy:!1,pod_life:0,code_edit_permission:!1,laboratory_id:null,vip:!1,is_jupyter:!1,public:0,is_wechat_support:!0,to_be_built:!1,prebuild_click_count:0,display_git_address:!1,delete_user_id:null,sticky:0},myshixun:{id:576993,shixun_id:5207,is_public:!0,user_id:1,gpid:null,created_at:"2021-03-16T20:38:10.000+08:00",updated_at:"2021-03-16T21:28:39.000+08:00",status:0,identifier:"ln7i95zmef",commit_id:"c170e4ad0cb670cd610754f374af5f35974f4f8a",modify_time:"2017-10-11T09:45:02.000+08:00",reset_time:"2017-10-11T09:45:02.000+08:00",system_tip:!1,git_url:null,onclick_time:"2021-03-16T20:38:10.000+08:00",repo_name:"innov/ln7i95zmef20210316203810",hidden:!1,reset_repository_user_id:null},rank_name:null,windows_vnc:!0,user:{user_id:1,login:"innov",name:"99999",grade:368953,identity:1,image_url:"avatars/User/1?t=1593675434",school:"",user_url:"/users/innov"},tpm_modified:!1,tpm_cases_modified:!1,mirror_name:["Python3.6"],has_answer:!0,mirror_description:[`##### \u9002\u7528\u573A\u666F\r
\u7A0B\u5E8F\u8BBE\u8BA1\u3001\u7F51\u7EDC\u722C\u866B\u3001\u56FE\u50CF\u5904\u7406\u3001\u5927\u6570\u636E\u3001\u4EBA\u5DE5\u667A\u80FD\r
##### \u5305\u542B\u7684\u70ED\u95E8\u5E93\r
basemap;beautifulsoup4;Django;Flask;Keras;matplotlib;numpy;opencv;pip;PyMySQL;Scrapy;tensorflow;torch;pandas;tensorboard;requests;scikit-learn\r
##### \u5DF2\u5B89\u88C5\u5E93\u5217\u8868\uFF1A\r
absl-py;asn1crypto;astor;attrs;Automat;backcall;baidu-aip;basemap;beautifulsoup4;bleach;blinker;blis;bokeh;boto;boto3;botocore;cachetools;catalogue;certifi;cffi;chardet;click;constantly;crypto;cryptography;cssselect;cssutils;cycler;cymem;Cython;decorator;Django;dlib;dnspython;docutils;dominate;dpkt;dyNET;EasyProcess;et-xmlfile;ExifRead;face-recognition;face-recognition-models;ffmpeg;Flask;Flask-Bootstrap;Flask-Mail;Flask-SQLAlchemy;Flask-WTF;fonttools;gast;gensim;gpt-2-simple;graphviz;grpcio;h5py;html5lib;hyperlink;idna;importlib-metadata;incremental;IPy;ipython;ipython-genutils;itsdangerous;jdcal;jedi;jieba;Jinja2;jmespath;JPype1;Keras;Keras-Applications;Keras-Preprocessing;kiwisolver;lightgbm;llvmlite;lxml;Markdown;MarkupSafe;matplotlib;mpmath;murmurhash;mysql-connector;mysqlclient;Naked;networkx;nltk;numba;numpy;olefile;opencv-contrib-python;opencv-python;openpyxl;packaging;pandas;parsel;parso;patsy;pexpect;pickleshare;Pillow;pip;plac;popen;premailer;preshed;prettytable;prompt-toolkit;protobuf;psutil;ptyprocess;py4j;pyasn1;pyasn1-modules;PyAudio;pycparser;pycryptodome;pycurl;PyDispatcher;pydub;pyecharts;PyExecJS;Pygments;pygraphviz;pyhanlp;pymongo;PyMySQL;pyOpenSSL;pyparsing;PyPDF2;pyproj;pyquery;pyshp;pyspark;python-dateutil;python-docx;pyttsx3;pytz;PyVirtualDisplay;PyYAML;queuelib;regex;requests;rsa;s3transfer;scapy;scikit-learn;scipy;Scrapy;seaborn;selenium;service-identity;setuptools;shellescape;simplejson;six;smart-open;snapshot-phantomjs;snownlp;soupsieve;spacy;SQLAlchemy;srsly;statsmodels;sympy;tensorboard;tensorflow;tensorflow-tensorboard;termcolor;thinc;toposort;torch;torchvision;tornado;tqdm;traitlets;Twisted;urllib3;visitor;w3lib;wasabi;wcwidth;Werkzeug;wheel;wikipedia;wordcloud;WTForms;xgboost;xlrd;XlsxWriter;xlwt;z3-solver;zipp;zope.interface`],test_sets:[{is_public:!0,result:null,input:`pizza
ch icken
ca rrot
turkey
banana`,output:`('piz za', 'chicken', 'carrot', 'turkey', 'banana')
turkey
`,actual_output:null,compile_success:null,ts_time:null,ts_mem:null},{is_public:!0,result:null,input:`potato\r
agaric\r
beet\r
tomato`,output:`('potato', 'agaric', 'beet', 'tomato')
tomato
`,actual_output:null,compile_success:null,ts_time:null,ts_mem:null},{is_public:!1,result:null,input:`Spring Rolls\r
Lobster slices\r
Fried Wonton\r
Fried seaweed\r
Shrimp stoast\r
Wonton soup\r
shark fin soup`,output:`('Spring Rolls', 'Lobster slices', 'Fried Wonton', 'Fried seaweed', 'Shrimp stoast', 'Wonton soup', 'shark fin soup')
shark fin soup
`,actual_output:null,compile_success:null,ts_time:null,ts_mem:null},{is_public:!1,result:null,input:`turkey\r
duck\r
agaric\r
lamb`,output:`('turkey', 'duck', 'agaric', 'lamb')
turkey
`,actual_output:null,compile_success:null,ts_time:null,ts_mem:null},{is_public:!1,result:null,input:"Fried seaweed",output:`('Fried seaweed',)
Fried seaweed
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