From 92280a138399fb070b713fd14cb04af317be5658 Mon Sep 17 00:00:00 2001
From: Albert Tan <s22505@ykpaoschool.cn>
Date: Tue, 7 Mar 2023 20:19:22 +0800
Subject: v1.1

---
 review_it.py | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/review_it.py b/review_it.py
index 0d0b044..7d70e11 100644
--- a/review_it.py
+++ b/review_it.py
@@ -1,11 +1,9 @@
 '''
 Updated:
-- Subtitles added
-- Support all files with the same major version
-- Slightly better output lines
+- More flexibility when judging whether answer is correct
 
 To be updated:
-- Better ways of reminding input
+- Better ways to check syntax
 - Let user judge whether answer is correct
 - Zero / single / plural in final output
 - Remove unnecessary spaces or line breaks in input file
@@ -13,6 +11,7 @@ To be updated:
 - Answer judged correct if contains keyword
 - Use something better than a dictionary to store incorrect answers
 - Title also printed if answer in the section is incorrect
+- Consider to use json input file
 - Graphic user interface
 - Another program to help create related input file
 - Optimize
@@ -21,19 +20,30 @@ To be updated:
 try:
 
     import re
+    import difflib
 
 
     def check_string(line):
         return bool(re.match("[!#-~] [\w\d\s]*", line))
 
 
+    def compare_string(answer, response):
+        diff = difflib.ndiff(answer, response)
+        diff_count = 0
+        for line in diff:
+            if line[0] != " ":
+                diff_count += 1
+        return 1 - (diff_count / len(response))
+
+
     file_name = input("Enter file name (with postfix) >> ")
     if file_name == "":
-        file_name = "test_1.0.rvwt"
+        file_name = "test_1.1.rvwt"
     with open(file_name) as f:
         data = f.readlines()
     count_prompts = 0
     count_correct = 0
+    correct_param = 0.66
     incorrect = []
 
 
@@ -66,6 +76,9 @@ try:
             if response.lower() == answer.lower():
                 print("Correct")
                 count_correct += 1
+            elif compare_string(response.lower(), answer.lower()) >= correct_param:
+                print(f"Probably correct: answer is '{answer}', similarity {round(compare_string(response.lower(), answer.lower()), 4)*100}%")
+                count_correct += 1
             else:
                 print(f"Incorrect: answer is '{answer}'")
                 incorrect.append((prompt, answer))
@@ -89,4 +102,4 @@ except Exception as e:
 except KeyboardInterrupt:
     print("\nProcess quitted")
 except BaseException as e:
-    print("\n" + str(e))
+    print("\nException: " + str(e))
-- 
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