{"id":14783,"date":"2022-10-09T03:49:03","date_gmt":"2022-10-08T22:19:03","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-make-an-on-off-switch-for-a-function-in-a-python-program\/"},"modified":"2022-10-09T03:49:03","modified_gmt":"2022-10-08T22:19:03","slug":"solved-how-to-make-an-on-off-switch-for-a-function-in-a-python-program","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-make-an-on-off-switch-for-a-function-in-a-python-program\/","title":{"rendered":"[Solved] How to make an on\/off switch for a function in a python program?"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-63940394\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"63940394\" data-parentid=\"63935385\" data-score=\"1\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>Take a look at this example:<\/p>\n<pre><code>from tkinter import *\n\nroot = Tk()\n\ndef run():\n    global rep\n    if var.get() == 1:\n        print('Hey')\n        rep = root.after(1000,run) #run the function every 2 second, if checked.\n    else:\n        root.after_cancel(rep) #cancel if the checkbutton is unchecked.\n\ndef step():\n    print('This is being printed in between the other loop')\n\nvar = IntVar()\nb1 = Checkbutton(root,text=\"Loop\",command=run,variable=var)\nb1.pack()\n\nb2 = Button(root,text=\"Seperate function\",command=step)\nb2.pack()\n\nroot.mainloop()\n<\/code><\/pre>\n<p><strong><code>after()<\/code> method takes two arguments mainly:<\/strong><\/p>\n<ul>\n<li><code>ms<\/code> &#8211; time to be run the function<\/li>\n<li><code>func<\/code> &#8211; the function to run after the given ms is finished.<\/li>\n<li><code>after_cancel()<\/code> method takes the variable name of after() only.<\/li>\n<\/ul>\n<p>Perhaps also keep in mind, you can use <code>root.update()<\/code> and <code>root.update_idletasks()<\/code> with <code>while<\/code> loops, but its not efficient either.<\/p>\n<p>Hope this helped you understand better, do let me know if any doubts or errors.<\/p>\n<p>Cheers<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">9<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved How to make an on\/off switch for a function in a python program? <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Take a look at this example: from tkinter import * root = Tk() def run(): global rep if var.get() == 1: print(&#8216;Hey&#8217;) rep = root.after(1000,run) #run the function every 2 second, if checked. else: root.after_cancel(rep) #cancel if the checkbutton is unchecked. def step(): print(&#8216;This is being printed in between the other loop&#8217;) var = &#8230; <a title=\"[Solved] How to make an on\/off switch for a function in a python program?\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-make-an-on-off-switch-for-a-function-in-a-python-program\/\" aria-label=\"More on [Solved] How to make an on\/off switch for a function in a python program?\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[349,482,768],"class_list":["post-14783","post","type-post","status-publish","format-standard","hentry","category-solved","tag-python","tag-python-3-x","tag-tkinter"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] How to make an on\/off switch for a function in a python program? - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-make-an-on-off-switch-for-a-function-in-a-python-program\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to make an on\/off switch for a function in a python program? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Take a look at this example: from tkinter import * root = Tk() def run(): global rep if var.get() == 1: print(&#039;Hey&#039;) rep = root.after(1000,run) #run the function every 2 second, if checked. else: root.after_cancel(rep) #cancel if the checkbutton is unchecked. def step(): print(&#039;This is being printed in between the other loop&#039;) var = ... 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