Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 140016

This tag is for questions about calculators.

1 vote

improving my simple python calculator

Suggestion 1 Your list of invalid characters and in checks will work just as well as a string, but be shorter and more readable. invalid = 'abcdefghijklmnopqrstuvwxyz' Same applies to the valid array …
user985366's user avatar
  • 1,735