{"id":144236,"date":"2025-02-24T14:49:17","date_gmt":"2025-02-24T09:19:17","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=144236"},"modified":"2025-02-24T14:49:17","modified_gmt":"2025-02-24T09:19:17","slug":"lock-vs-rlock-in-python","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/lock-vs-rlock-in-python\/","title":{"rendered":"Lock vs Rlock in Python"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\"># Difference between Lock and RLock\r\nimport time\r\nfrom threading import *\r\n# l=RLock()\r\n# def printTable(n): \r\n#     l.acquire()\r\n#     l.acquire()\r\n#     for i in range(1,11):\r\n#         print(n*i)\r\n#         time.sleep(1)\r\n#     l.release()\r\n#     l.release()\r\n\r\n# # def display(n):\r\n# #     l=Lock()\r\n# #     l.acquire()\r\n# #     printTable(n)\r\n# #     l.release()\r\n\r\n# #Calling (Main Thread)\r\n# T1=Thread(target=printTable,args=(5,),name=\"First\")\r\n# T2=Thread(target=printTable,args=(8,),name=\"Second\")\r\n# T1.start()\r\n# T2.start()\r\n# T1.join()\r\n# T2.join()\r\n  # Object Oriented Code (Has A Relation)\r\n# l=RLock()    \r\n# class MyTable:\r\n#    def printTable(self,n): \r\n#     l.acquire()\r\n#     l.acquire()\r\n#     for i in range(1,11):\r\n#         print(n*i)\r\n#         time.sleep(1)\r\n#     l.release()\r\n#     l.release()\r\n#  #Main Thread    \r\n# MT=MyTable()\r\n# T1=Thread(target=MT.printTable,args=(5,),name=\"First\")\r\n# T2=Thread(target=MT.printTable,args=(8,),name=\"Second\")\r\n# T1.start()\r\n# T2.start()\r\n# T1.join()\r\n# T2.join()\r\n\r\n# Object Oriented Code (is A Relation)\r\nl=RLock()\r\nclass MyTable:\r\n   def printTable(self,n): \r\n    l.acquire()\r\n    l.acquire()\r\n    for i in range(1,11):\r\n        print(n*i)\r\n        time.sleep(1)\r\n    l.release()\r\n    l.release() \r\nclass MyThread1(Thread):\r\n   \r\n   def run(self):\r\n      M=MyTable()\r\n      M.printTable(5)\r\n\r\nclass MyThread2(Thread):\r\n   def run(self):\r\n      M=MyTable()\r\n      M.printTable(10)\r\n\r\n#Main Thread\r\nM1=MyThread1()\r\nM2=MyThread2()\r\nM1.start()\r\nM2.start()\r\n\r\nM1.join()\r\nM2.join()<\/pre>\n<h3>Program 2<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\"># Semaphore in python\r\nimport time\r\nfrom threading import *\r\ns=Semaphore(3)\r\ndef display(n):\r\n    s.acquire()\r\n    for i in range(1,n+1):\r\n        print(current_thread().getName(), i)\r\n        time.sleep(1)\r\n    s.release()\r\n\r\n#Main Thread\r\nT1=Thread(target=display,args=(3,),name=\"one\")\r\nT2=Thread(target=display,args=(10,),name=\"two\")\r\nT3=Thread(target=display,args=(7,),name=\"three\")\r\nT4=Thread(target=display,args=(10,),name=\"four\")\r\nT5=Thread(target=display,args=(13,),name=\"five\")\r\nT6=Thread(target=display,args=(15,),name=\"six\")\r\nT1.start()\r\nT2.start()\r\nT3.start()\r\nT4.start()\r\nT5.start()\r\nT6.start()\r\n\r\nT1.join()\r\nT2.join()\r\nT3.join()\r\nT4.join()\r\nT5.join()\r\nT6.join()<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 # Difference between Lock and RLock import time from threading import * # l=RLock() # def printTable(n): # l.acquire() # l.acquire() # for i in range(1,11): # print(n*i) # time.sleep(1) # l.release()&#46;&#46;&#46;<\/p>\n","protected":false},"author":581,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[33736,33733,28952,33732,10333,28626,22366,33735,33734],"class_list":["post-144236","post","type-post","status-publish","format-standard","hentry","category-python","tag-comparison-between-lock-and-rlock","tag-difference-between-lock-and-rlock-in-python","tag-lock-vs-rlock","tag-lock-vs-rlock-in-python","tag-python","tag-python-practical","tag-python-program","tag-python-program-on-semaphore","tag-semaphore-in-python"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - 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DataFlair","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/data-flair.training\/blogs\/lock-vs-rlock-in-python\/","og_locale":"en_US","og_type":"article","og_title":"Lock vs Rlock in Python - DataFlair","og_description":"Program 1 # Difference between Lock and RLock import time from threading import * # l=RLock() # def printTable(n): # l.acquire() # l.acquire() # for i in range(1,11): # print(n*i) # time.sleep(1) # l.release()&#46;&#46;&#46;","og_url":"https:\/\/data-flair.training\/blogs\/lock-vs-rlock-in-python\/","og_site_name":"DataFlair","article_publisher":"https:\/\/www.facebook.com\/DataFlairWS\/","article_published_time":"2025-02-24T09:19:17+00:00","author":"DataFlair Team","twitter_card":"summary_large_image","twitter_creator":"@DataFlairWS","twitter_site":"@DataFlairWS","twitter_misc":{"Written by":"DataFlair Team","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/data-flair.training\/blogs\/lock-vs-rlock-in-python\/#article","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/lock-vs-rlock-in-python\/"},"author":{"name":"DataFlair Team","@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/person\/c187795dc82ab948373cca526df7c445"},"headline":"Lock vs Rlock in Python","datePublished":"2025-02-24T09:19:17+00:00","mainEntityOfPage":{"@id":"https:\/\/data-flair.training\/blogs\/lock-vs-rlock-in-python\/"},"wordCount":8,"commentCount":0,"publisher":{"@id":"https:\/\/data-flair.training\/blogs\/#organization"},"keywords":["comparison between lock and rlock","difference between lock and rlock in python","lock vs rlock","lock vs rlock in python","Python","python practical","python program","python program on semaphore","semaphore in python"],"articleSection":["Python Tutorials"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/data-flair.training\/blogs\/lock-vs-rlock-in-python\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/data-flair.training\/blogs\/lock-vs-rlock-in-python\/","url":"https:\/\/data-flair.training\/blogs\/lock-vs-rlock-in-python\/","name":"Lock vs Rlock in Python - 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