{"id":143461,"date":"2024-09-23T10:58:46","date_gmt":"2024-09-23T05:28:46","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=143461"},"modified":"2024-09-23T10:58:46","modified_gmt":"2024-09-23T05:28:46","slug":"insert-delete-and-display-in-circular-queue-in-dsa-python","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/insert-delete-and-display-in-circular-queue-in-dsa-python\/","title":{"rendered":"Insert, Delete and Display in Circular Queue in DSA Python"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\"># implementation of circular queue\r\nimport os \r\nMAXSIZE=10\r\ncqueue=[]\r\nfront=-1\r\nrear=-1\r\n\r\ndef cqinsert():\r\n    global rear\r\n    global front\r\n    global MAXSIZE\r\n    if(((rear+1)%MAXSIZE)==front):\r\n        print(\"Queue is overflow\")\r\n    else:\r\n        n=int(input(\"Enter an element for insert\"))\r\n        if(front==-1 and rear==-1):\r\n            front=rear=0\r\n        else:\r\n            rear=(rear+1)%MAXSIZE    \r\n        cqueue.insert(rear,n) \r\n\r\ndef cqdelete():\r\n    global rear\r\n    global front\r\n    global MAXSIZE\r\n    if(rear==-1 and front==-1):\r\n        print(\"Queue is empty\")\r\n    else:\r\n        n=cqueue[front]\r\n        print(\"Deleted element is: \",n)\r\n        if(front==rear):\r\n            front=rear=-1\r\n        front=(front+1)%MAXSIZE        \r\n    \r\n    \r\ndef cqdisplay():\r\n    global rear\r\n    global front\r\n    global MAXSIZE\r\n    if(rear==-1 and front==-1):\r\n        print(\"Queue is empty\")\r\n    else:\r\n        print(\"Elements of Queue\")\r\n        i=front\r\n        while(i!=rear):\r\n            print(cqueue[i],end=\" \") \r\n            i=(i+1)%MAXSIZE   \r\n\r\n        print(cqueue[i],end=\" \") \r\n\r\nos.system('cls')\r\nwhile(1):\r\n    print(\"\\n----------------------Circular Queue----------------------\")\r\n    print(\"1.Insert\")\r\n    print(\"2.Delete\")\r\n    print(\"3.Display\")\r\n    print(\"4.Exit\")\r\n    print(\"\\n------------------------------------------------------------\")\r\n    choice=int(input(\"Enter your choice\"))\r\n    if(choice==1):\r\n        cqinsert()\r\n    elif(choice==2):\r\n        cqdelete()\r\n    elif(choice==3):\r\n        cqdisplay()\r\n    else:\r\n        break\r\n<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 # implementation of circular queue import os MAXSIZE=10 cqueue=[] front=-1 rear=-1 def cqinsert(): global rear global front global MAXSIZE if(((rear+1)%MAXSIZE)==front): print(&#8220;Queue is overflow&#8221;) else: n=int(input(&#8220;Enter an element for insert&#8221;)) if(front==-1 and rear==-1):&#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":[32847],"tags":[33124,32853,32922,32923,33126,32848,33125],"class_list":["post-143461","post","type-post","status-publish","format-standard","hentry","category-dsa-python-tutorials","tag-circular-queue-in-dsa-python","tag-dsa-python","tag-dsa-python-practical","tag-dsa-python-program","tag-dsa-python-program-on-circular-queue","tag-dsa-using-python","tag-insert-delete-and-display-method-in-circular-queue-in-dsa-python"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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