{"id":70007,"date":"2021-11-02T22:01:32","date_gmt":"2021-11-02T22:01:32","guid":{"rendered":"https:\/\/papersspot.com\/blog\/2021\/11\/02\/rpn-reverse-polish-notation-calculator-using-python\/"},"modified":"2021-11-02T22:01:32","modified_gmt":"2021-11-02T22:01:32","slug":"rpn-reverse-polish-notation-calculator-using-python","status":"publish","type":"post","link":"https:\/\/papersspot.com\/blog\/2021\/11\/02\/rpn-reverse-polish-notation-calculator-using-python\/","title":{"rendered":"RPN (Reverse Polish Notation) Calculator using Python"},"content":{"rendered":"<p>Use Python to create a simple calculator that accepts Reverse Polish Notation (RPN) and<br \/> displays the final answer (Intermediate steps or results need not be displayed). <br \/>It only accepts 4 operators \u201c \u201d, \u201c-\u201c, \u201c*\u201d, \u201c\/\u201d.<br \/> Input numbers will be single digits.<br \/> The input will be in postfix notation.<br \/> The input will be provided in a text file called input_RPN.txt.<br \/> Your program should not ask the user for any input.<br \/> There will be one RPN expression in each line.<br \/> Your code should be able to read the file and print the result for each RPN in a new line.<br \/> Example of RPN: 4 2 and your output should be 6. This is a simple expression. More<br \/> complex algebraic notations will be used to test your program like the one below.<br \/> Example algebraic notation: ( 4 2 * 5 ) \/ ( 1 3 * 2 )<br \/> Translated into RPN: 4 2 5 * 1 3 2 * \/ <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Use Python to create a simple calculator that accepts Reverse Polish Notation (RPN) and displays the final answer (Intermediate steps or results need not be displayed). It only accepts 4 operators \u201c \u201d, \u201c-\u201c, \u201c*\u201d, \u201c\/\u201d. Input numbers will be single digits. The input will be in postfix notation. The input will be provided in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[10],"class_list":["post-70007","post","type-post","status-publish","format-standard","hentry","category-research-paper-writing","tag-writing"],"_links":{"self":[{"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/posts\/70007","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/comments?post=70007"}],"version-history":[{"count":0,"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/posts\/70007\/revisions"}],"wp:attachment":[{"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/media?parent=70007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/categories?post=70007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/tags?post=70007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}