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'''
Updated:
- Choosing input file
- Slightly better output lines
- Congratulations if full mark
To be updated:
- Subtitles below titles
- Support files with the same major version
- Better ways of reminding input
- Let user judge whether answer is correct
- Zero / single / plural in final output
- Remove unnecessary spaces or line breaks in input file
- Better ways to handle each line
- 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
- Graphic user interface
- Another program to help create related input file
- Optimize
'''
try:
import re
def check_string(line):
return bool(re.match("[!#-] [\w\d\s]*", line))
file_name = input("Enter file name (with postfix) >> ")
if file_name == "":
file_name = "test_0.1.rvwt"
with open(file_name) as f:
data = f.readlines()
count_prompts = 0
count_correct = 0
incorrect = []
if len(data) == 0:
raise Exception("Error: file empty")
if data.pop(0) != "! version: 0.1\n":
raise Exception("Error: file version not provided or does not match")
for line_index in range(len(data)):
if not check_string(data[line_index]):
raise Exception(f"Error: invalid syntax at line {line_index+2} of file '{file_name}'")
print()
for line_index in range(len(data)):
line = data[line_index]
if line[0] == "#":
line = line[2:]
print("\n" + line)
elif line[0] == "-":
count_prompts += 1
line = line[2:].split(":")
if len(line) != 2:
raise Exception(f"Error: invalid syntax at line {line_index+2} of file '{file_name}'")
prompt = line[0]
answer = line[1][1:-1]
response = input(prompt + ">> ")
if response.lower() == answer.lower():
print("Correct\n")
count_correct += 1
else:
print(f"Incorrect: answer is '{answer}'\n")
incorrect.append((prompt, answer))
else:
continue
print(f"\nOut of {count_prompts} questions, {count_correct} were answered correctly, which is {round(count_correct / count_prompts, 4)*100}%. ")
if count_prompts == count_correct:
print("Congratulations for finishing perfectly! ")
else:
print(f"The questions with incorrect responses are listed below: \n")
for line in incorrect:
(prompt, answer) = line
print(prompt + "-> " + answer)
except Exception as e:
print("\n" + str(e))
except KeyboardInterrupt:
print("\nProcess quitted")
except BaseException as e:
print("\n" + str(e))
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