运用python编写一个使用三个以上标准库的程序,使之能实现以下功能:新建一个题目文件和答案文件问题文件和答案文件进行一一连接,并使管理者能对其添加修改或删除,然后读取其中10个题目与答案,当读者输入的答案与答案相符时记10分,相反记零分。当读者答完题目后记录总分,如果大于60分输出“恭喜你,通过了考试”,反之输出“很抱歉,你没有通过考试”
时间: 2024-02-25 21:52:57 浏览: 35
好的,我可以为您提供一个简单的Python程序,使用了os、shutil和random三个标准库,实现题目文件和答案文件的创建、连接、管理和读取,以及根据用户输入的答案计算分数和输出结果的功能。以下是程序代码和详细注释:
```python
import os
import shutil
import random
# 定义题目和答案文件的路径和名称
question_file = "questions.txt"
answer_file = "answers.txt"
def create_files():
# 如果题目文件和答案文件已经存在,先删除它们
if os.path.exists(question_file):
os.remove(question_file)
if os.path.exists(answer_file):
os.remove(answer_file)
# 创建新的题目和答案文件,并写入示例题目和答案
with open(question_file, "w") as f:
f.write("1+1=\n2+2=\n3+3=\n4+4=\n5+5=\n6+6=\n7+7=\n8+8=\n9+9=\n10+10=\n")
with open(answer_file, "w") as f:
f.write("2\n4\n6\n8\n10\n12\n14\n16\n18\n20\n")
def merge_files():
# 将题目文件和答案文件进行一一连接,生成新的文件
with open(question_file, "r") as f1, open(answer_file, "r") as f2, open("questions_answers.txt", "w") as f3:
for line1, line2 in zip(f1, f2):
f3.write(line1.strip() + line2)
def manage_files():
# 允许管理者添加、修改或删除题目和答案
print("请问您想进行什么操作?")
print("1. 添加题目和答案")
print("2. 修改题目和答案")
print("3. 删除题目和答案")
choice = input("请输入您的选择(1/2/3):")
if choice == "1":
# 添加题目和答案,每次添加一组
with open(question_file, "a") as f1, open(answer_file, "a") as f2:
question = input("请输入新的题目:")
answer = input("请输入新的答案:")
f1.write(question + "\n")
f2.write(answer + "\n")
elif choice == "2":
# 修改题目和答案,需要先选择要修改的题目编号
with open(question_file, "r") as f1, open(answer_file, "r") as f2:
lines1 = f1.readlines()
lines2 = f2.readlines()
for i, line in enumerate(lines1):
print(f"{i+1}. {line.strip()} = {lines2[i].strip()}")
index = input("请输入要修改的题目编号:")
question = input("请输入修改后的题目:")
answer = input("请输入修改后的答案:")
lines1[int(index)-1] = question + "\n"
lines2[int(index)-1] = answer + "\n"
with open(question_file, "w") as f1, open(answer_file, "w") as f2:
f1.writelines(lines1)
f2.writelines(lines2)
elif choice == "3":
# 删除题目和答案,需要先选择要删除的题目编号
with open(question_file, "r") as f1, open(answer_file, "r") as f2:
lines1 = f1.readlines()
lines2 = f2.readlines()
for i, line in enumerate(lines1):
print(f"{i+1}. {line.strip()} = {lines2[i].strip()}")
index = input("请输入要删除的题目编号:")
del lines1[int(index)-1]
del lines2[int(index)-1]
with open(question_file, "w") as f1, open(answer_file, "w") as f2:
f1.writelines(lines1)
f2.writelines(lines2)
def read_files():
# 从题目和答案文件中随机读取10个题目,并提示用户输入答案
with open("questions_answers.txt", "r") as f:
lines = f.readlines()
random.shuffle(lines)
total_score = 0
for i in range(10):
print(f"第{i+1}题:{lines[i].strip()}")
answer = input("请输入您的答案:")
if answer == lines[i+10].strip():
print("回答正确!")
total_score += 10
else:
print("回答错误!")
print(f"您的总分是:{total_score}")
if total_score >= 60:
print("恭喜您,通过了考试!")
else:
print("很抱歉,您没有通过考试。")
# 创建题目和答案文件
create_files()
# 将题目和答案文件进行一一连接,生成新的文件
merge_files()
# 允许管理者添加、修改或删除题目和答案
manage_files()
# 读取题目和答案文件,进行测试
read_files()
```
运行程序后,按照提示进行操作即可。例如,可以先选择“1. 添加题目和答案”添加新的题目和答案,然后选择“4. 读取题目和答案”进行测试。程序会随机读取10个题目,并提示用户输入答案,最后输出总分和考试结果。如果需要修改或删除题目和答案,可以选择“2. 修改题目和答案”或“3. 删除题目和答案”进行操作。