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On 17/05/17 17:21, Grace Sanford wrote: > Syntactically speaking, how can I check if an element in the list > "board" at position p equals "_" and then change that element to "0"? You can use the == operator: if board[index] == "_": board[index] = "O" else: # report an error? return false? -- Alan G Author of the Learn to Program web site http://www.alan-g.me.uk/ http://www.amazon.com/author/alan_gauld Follow my photo-blog on Flickr at: http://www.flickr.com/photos/alangauldphotos _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor