Update app.py

app.py

@@ -14,7 +14,7 @@ lang_map = {
     "CPP": ["c_cpp", "cpp", "// Don't Worry, You Can't Break It. We Promise.\n// For Cpp, please make sure the program lasts at least 1 ms.\n#include <iostream>\nusing namespace std;\nint main() {\n\tcout << 'Hello World';\t\nreturn 0;\n}\n"],
     "Java": ["java", "java", "// Don't Worry, You Can't Break It. We Promise.\nclass HelloWorld {\n    public static void main(String[] args) {\n        System.out.println(\"Hello, World!\"); \n    }\n}\n"],
     "JavaScript": ["javascript", "javascript", "// Don't Worry, You Can't Break It. We Promise.\nconsole.log('Hello World!');\n"],
-    "Golang": ["golang", "go", "// Don't Worry, You Can't Break It. We Promise.\npackage main\nimport 'fmt'\nfunc main() {\n\tfmt.Println('hello world')\n}\n"],
+    "Golang": ["golang", "go", "// Don't Worry, You Can't Break It. We Promise.\npackage main\n\nimport \"fmt\"\n\nfunc main() {\n    fmt.Println(\"Hello, World!\")\n}\n"],
     "Ruby": ["ruby", "ruby", "# Don't Worry, You Can't Break It. We Promise.\nputs 'Hello World'\n"],
     "Rust": ["rust", "rust", "// Don't Worry, You Can't Break It. We Promise.\nfn main() {\n\tprintln!('Hello World!'); \n}\n"],
 }