python_wiki:main_program_loop

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python_wiki:main_program_loop [2014/11/19 22:18]
billdozor created 		python_wiki:main_program_loop [2019/05/25 23:50] (current)
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 ====== Main Program Loop ====== ====== Main Program Loop ======
 +
 +**General Information**
 +
 This is an example of a main program loop, wrapped in a try command to catch keyboard interrupts. This is an example of a main program loop, wrapped in a try command to catch keyboard interrupts.
  
-Modules required: +**Checklist** 
-  * signal (keyboard interrupts)+  * Modules required: signal (keyboard interrupts) 
 + 
 +---- 
 + 
 +====== The Code ====== 
 + 
 +<code python> 
 +import signal
  
-<code> 
 def main(): def main():
 # Main program loop: Until quit is detected, ask user what to do # Main program loop: Until quit is detected, ask user what to do
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     #trap keyboard interrupts (control+c), quit clean only     #trap keyboard interrupts (control+c), quit clean only
     except (KeyboardInterrupt):     except (KeyboardInterrupt):
-      input("\nPlease quit by entering \'q\' or \'quit\'! [Enter] to continue:")+      input("\nPlease quit by entering 'q' or 'quit'! [Enter] to continue:")
       continue       continue
   # END OF WHILE LOOP    # END OF WHILE LOOP
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 ## End of main() ## ## End of main() ##
 </code> </code>
 +
 +----
 +
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