except DuplicateError:
# print("题目重复，删除该式子")
continue
else:
num += 1
return self.formula, self.answer
@staticmethod
def duplicate_check(target_expr, result_expr):
"""检查新生成的式子是否重复"""
for expr in result_expr:
if expr == target_expr:
return True
if target_expr[0] == '+' or target_expr[0] == '*':
temp = target_expr[1]
target_expr[1] = target_expr[2]
target_expr[2] = temp
if expr == target_expr:
return True
return False
return False
if __name__ == '__main__':
t = Tree()
e_file = os.path.join(os.getcwd(), 'Exercises.txt')
a_file = os.path.join(os.getcwd(), 'Answer.txt')
g_file = os.path.join(os.getcwd(), 'Grade.txt')
formula_list, ans_list = t.generate_formula(10, 100, False)
FileUtils.write_file(formula_list, ans_list, e_file, a_file) # 保存题目文件
args = parser.parse_args()
if __name__ == '__main__':
if args.range is None:
print("请输入'-r'参数控制题目中数值（自然数、真分数和真分数分母）的范围")
if args.exercise is None:
args.exercise = os.path.join(os.getcwd(), 'Exercises.txt')
if args.answer is None:
args.answer = os.path.join(os.getcwd(), 'Answer.txt')
if args.grade is None:
args.grade = os.path.join(os.getcwd(), 'Grade.txt')
print("欢迎进入答题模式......(输入'exit'可退出程序)")
t = Tree()
u_answer = list() # 用户答案
formula, s_answer = t.generate_formula(args.range, args.number,
args.minus) # 随机生成表达式
FileUtils.write_file(formula, s_answer, args.exercise,
args.answer) # 保存题目文件
for i in range(args.number):
print(formula[i], end='')
answer = input() # 获取用户输入的答案
if answer == 'exit':
print('退出程序成功！')
sys.exit()
u_answer.append(answer)
correct, wrong = CalculatorUtils.grading(u_answer, s_answer) # 统计答题结果
print("答题结果：")
print(correct)
print(wrong)
FileUtils.write_grade_file(args.grade, correct, wrong) # 保存答题结果