使用Python实现小学生算术自动出题工具
作者:花小姐的春天
这篇文章主要为大家详细介绍了使用Python实现小学生算术自动出题工具,支持四种题型自由组合,自动去重,还能导出带答案的Word文档,需要的可以了解下
昨天加完班刚躺下,手机突然"叮咚"一声。我眯着眼划开屏幕,嫂子发来条59秒的语音:"花花啊,你侄子数学最近不好,计算题总出错,想多练练,但每天手写出题太费时间!从网上找的题目好多都要收费,我手抄了三天实在扛不住了,你们程序员不是会搞什么自动化吗?帮帮忙啊!"
为了挽救嫂子的家庭幸福,也出于对小侄子的关心,我回复了一个ok,抄起电脑就开始噼里啪啦敲代码...
代码比想象中简单的多
效果图
先给大伙看最终效果:



支持四种题型自由组合,自动去重,还能导出带答案的Word文档,直接打印就能用。
实现思路
核心代码其实就三大块:
1. 题目生成器
def generate_question(selected_operations):
operators = selected_operations
num1 = random.randint(1, 100)
num2 = random.randint(1, 100)
operator = random.choice(operators)
# 确保生成的题目符合条件
if operator == '+':
return num1, operator, num2, num1 + num2
elif operator == '-':
while num2 > num1: # 保证减法不为负数
num1 ,num2 = num2 ,num1
return num1, operator, num2, num1 - num2
elif operator == '*':
return num1, '×', num2, num1 * num2
elif operator == '/':
num1 = random.randint(1, 100) * random.randint(1, 10) # 确保能整除
num2 = random.randint(1, 10)
return num1, '÷', num2, num1 // num2
# 生成题目的函数
def generate_questions(quantity, selected_operations):
questions = []
answers = []
for i in range(quantity):
num1, operator, num2, answer = generate_question(selected_operations)
question = f"{num1} {operator} {num2} = "
questions.append(question)
answers.append(f"{question} {answer}")
print(len(questions),len(answers))
return questions, answers
重点细节:
- 减法自动交换数字避免负数(小学生还没学负数呢!)
- 除法确保能整除
2. 把题目生成Word
from docx import Document
from docx.enum.text import WD_ALIGN_PARAGRAPH
from docx.enum.section import WD_SECTION_START
def save_to_word(questions, answers, filename="小学生计算题.docx"):
doc = Document()
# 添加数学题目标题
title = doc.add_heading('数学题目', 0)
title.alignment = WD_ALIGN_PARAGRAPH.CENTER
# 插入"连续分节",设置4栏,题目区域都属于这一节
section = doc.add_section(start_type=WD_SECTION_START.CONTINUOUS)
sectPr = section._sectPr
cols = sectPr.xpath('./w:cols')[0]
cols.set('num', '4')
# 添加题目内容
for q in questions:
p = doc.add_paragraph(q)
p.paragraph_format.alignment = WD_ALIGN_PARAGRAPH.LEFT # 左对齐
# 插入一个新的页面,用新节保持正确格式
doc.add_page_break()
# 添加答案标题
answer_title = doc.add_heading('答案', 0)
answer_title.alignment = WD_ALIGN_PARAGRAPH.CENTER
# 插入新的"连续分节",设置4栏,答案区域也属于这一节
section = doc.add_section(start_type=WD_SECTION_START.CONTINUOUS)
sectPr = section._sectPr
cols = sectPr.xpath('./w:cols')[0]
cols.set('num', '4')
# 添加答案内容
for a in answers:
p = doc.add_paragraph(a)
p.paragraph_format.alignment = WD_ALIGN_PARAGRAPH.LEFT
doc.save(filename)
为了给嫂子节省打印前,这里用了Word的分栏功能,一行四道题目。
3. GUI界面(假装专业的操作面板)
import tkinter as tk
from tkinter import messagebox
# GUI界面
def on_generate():
try:
quantity = int(entry_quantity.get())
selected_operations = []
if var_add.get():
selected_operations.append('+')
if var_sub.get():
selected_operations.append('-')
if var_mul.get():
selected_operations.append('*')
if var_div.get():
selected_operations.append('/')
if not selected_operations:
selected_operations = 'All'
questions, answers = generate_questions(quantity, selected_operations)
save_to_word(questions, answers)
except ValueError:
messagebox.showerror("输入错误", "请输入有效的题目数量")
# 创建主窗口
root = tk.Tk()
root.title("小学生出题工具")
root.geometry("400x350")
root.config(bg="#f5f5f5")
label_quantity = tk.Label(root, text="请输入题目数量:", font=("微软雅黑", 12), bg="#f5f5f5")
label_quantity.grid(row=0, column=0, padx=20, pady=10, sticky="w")
entry_quantity = tk.Entry(root, font=("微软雅黑", 12), width=15)
entry_quantity.insert(0, "100")
entry_quantity.grid(row=0, column=1, padx=20, pady=10)
label_operations = tk.Label(root, text="请选择题目类型:", font=("微软雅黑", 12), bg="#f5f5f5")
label_operations.grid(row=1, column=0, padx=20, pady=10, sticky="w")
var_add = tk.BooleanVar()
var_sub = tk.BooleanVar()
var_mul = tk.BooleanVar()
var_div = tk.BooleanVar()
check_add = tk.Checkbutton(root, text="加法", variable=var_add, font=("微软雅黑", 12))
check_add.grid(row=2, column=0, padx=20, sticky="w")
check_sub = tk.Checkbutton(root, text="减法", variable=var_sub, font=("微软雅黑", 12))
check_sub.grid(row=3, column=0, padx=20, sticky="w")
check_mul = tk.Checkbutton(root, text="乘法", variable=var_mul, font=("微软雅黑", 12))
check_mul.grid(row=4, column=0, padx=20, sticky="w")
check_div = tk.Checkbutton(root, text="除法", variable=var_div, font=("微软雅黑", 12))
check_div.grid(row=5, column=0, padx=20, sticky="w")
button_generate = tk.Button(root, text="生成题目", command=on_generate, font=("微软雅黑", 14), bg="#4CAF50", fg="white")
button_generate.grid(row=6, column=0, columnspan=2, pady=40)
root.mainloop()设计心得:
grid布局比pack更适合这种规整的界面- 默认生成100道题目,小侄子看了更开心
没想到栽在这些小细节上
- 侄子说除不尽的计算题看不懂
- 减法为什么有负数,我们还没学负数
- 乘号写成
*,除号写成/结果被侄子吐槽"和作业本长得不一样
最绝的是加了个一键导出答案,嫂子现在每天把题目和答案分开打印,侄子做完自己核对,彻底解放家长!
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