小学生口算训练题生成器
这两天学习python,想用python做了一个口算训练题生成器.在网上找了一些类似的代码,但这些代码不能很好的满足我的需求,所以就在别人的代码基础上做了一些修改和优化.
# -*- coding:UTF-8 -*-
'''
这个程序是用来给小学生生产口算训练题的,
自动生成markdown文件,然后用markdown编辑器打印即可,
可通过修改此代码来修改难度和其他运算
'''
__author__ = 'yuanyiba'
__doc__ = """小学生口算生成器"""
from random import randint
from random import random
from datetime import datetime
now = datetime.now()
now_str = datetime.strftime(now,'%y-%m-%d-%H-%M-%S')
#print(now_str)
sym = [' + ', ' - ']
# 当前文件夹下创建口算题目文件口算训练+日期.md
fobj = open('口算训练'+ now_str+'.md', 'w')
# 加减法：... +/- ... +/- ...
def kousuan_str(summin=1, summax=20):
'''
summin,summax:允许结果的最小值和最大值
最小值和最大值的差值要不小于2
'''
sym1 = sym[randint(0, 1)]
sym2 = sym[randint(0, 1)]
if sym1 == ' + ' and sym2 == ' + ':
结果 = randint(summin + 2, summax)
first = randint(summin, 结果 - 2)
中间值 = 结果 - first
second = round(中间值*random())
third = 中间值 - second
elif sym1 == ' + ' and sym2 == ' - ':
中间值1 = randint(summin,summax)
中间值2 = randint(summin,summax)
if 中间值1>中间值2:
结果 = 中间值2
first = round(中间值1*random())
second = 中间值1 - first
third = 中间值1 - 中间值2
else:
结果 = 中间值1
first = round(中间值2*random())
second = 中间值2 - first
third = 中间值2 - 中间值1
elif sym1 == ' - ' and sym2 == ' + ':
中间值1 = randint(summin,summax)
中间值2 = randint(summin,summax)
if 中间值1>中间值2:
third = 中间值2
结果 = 中间值1
else:
third = 中间值1
结果 = 中间值2
second = randint(summin,summax)
while 结果-third+second>summax:
second = randint(summin,summax)
first = 结果 - third + second
elif sym1 == ' - ' and sym2 == ' - ':
结果 = randint(summin, summax)
first = randint(结果,summax)
中间值 = first - 结果
while 中间值<=1:
结果 = randint(summin, summax)
first = randint(结果,summax)
中间值 = first - 结果
second = round(中间值*random())
third = 中间值 - second
arithmetic = str(first).rjust(2) + sym1 + str(second).rjust(2) + sym2 + str(third).rjust(2)+ ' = '
# print(arithmetic)
return arithmetic
# 生成一套题
def oneday_homework():
for i in range(25):
plus1 = kousuan_str()
plus2 = kousuan_str()
plus3 = kousuan_str()
plus4 = kousuan_str()
line = [plus1,plus2,plus3,plus4]
lines = ( ' | ').join(line)
# print (lines)
fobj.writelines(' | '+ lines + ' | \n')
# 一张A4纸上打印
fobj.writelines(r'#### 20以内加减法口算训练,用时＿＿分钟,对＿＿题（共100题）,日期＿＿＿＿＿ '+ '\n')
fobj.writelines(r'| 1-25题 | 26-50题 | 51-75题 | 76-100题 |'+ ' \n')
fobj.writelines(r'| ----- | ----- | ----- | ----- |'+ ' \n')
oneday_homework()
print ('生成成功!请用markdown编辑器打开,打印.')
fobj.close()
生成的文件内容:
20以内加减法口算训练,用时＿＿分钟,对＿＿题（共100题）,日期＿＿＿＿＿
| 1-25题 | 26-50题 | 51-75题 | 76-100题 |
|---|---|---|---|
| 9 - 3 + 2 = | 1 + 4 + 12 = | 12 - 5 - 1 = | 18 - 1 - 5 = |
| 11 - 10 + 12 = | 11 + 7 - 14 = | 19 - 13 - 1 = | 18 - 12 + 9 = |
| 1 + 1 + 11 = | 12 - 6 - 2 = | 2 + 15 - 11 = | 15 + 4 - 16 = |
| 4 + 15 - 1 = | 14 - 4 + 6 = | 3 + 0 - 1 = | 2 + 5 - 5 = |
| 13 - 10 + 12 = | 6 + 7 + 1 = | 4 + 12 - 6 = | 13 + 0 - 9 = |
| 16 - 5 - 5 = | 5 + 1 + 1 = | 7 + 2 + 2 = | 19 - 6 - 0 = |
| 3 + 17 - 16 = | 5 - 2 + 9 = | 1 + 0 + 3 = | 12 + 3 - 1 = |
| 10 - 6 + 13 = | 13 + 1 - 3 = | 2 + 2 + 1 = | 4 + 15 - 11 = |
| 13 - 9 + 11 = | 15 - 15 + 10 = | 17 - 0 - 5 = | 20 - 13 + 6 = |
| 17 - 0 - 2 = | 15 - 1 + 3 = | 10 - 8 - 1 = | 3 + 4 + 9 = |
| 11 - 1 + 7 = | 15 - 3 - 1 = | 12 - 5 + 1 = | 4 - 3 + 1 = |
| 6 + 2 - 7 = | 13 + 3 + 2 = | 9 + 10 - 11 = | 16 + 1 - 4 = |
| 12 - 11 + 15 = | 18 - 12 + 5 = | 8 - 1 - 4 = | 6 + 3 + 0 = |
| 5 - 2 + 13 = | 2 + 11 - 1 = | 19 - 6 - 4 = | 10 - 8 + 9 = |
| 16 - 2 + 3 = | 18 - 8 - 2 = | 13 + 5 - 17 = | 6 - 4 - 0 = |
| 2 + 1 + 8 = | 5 - 1 + 2 = | 19 - 5 - 11 = | 1 + 12 + 4 = |
| 15 - 8 + 8 = | 10 - 4 + 8 = | 3 + 0 - 1 = | 13 - 1 - 1 = |
| 19 - 7 + 6 = | 6 - 4 - 0 = | 4 + 11 - 2 = | 19 - 8 + 2 = |
| 16 - 3 - 1 = | 2 + 13 - 2 = | 16 - 5 - 4 = | 19 - 14 + 14 = |
| 3 + 17 - 18 = | 3 + 2 - 4 = | 6 + 8 - 0 = | 3 + 13 - 3 = |
| 9 - 1 - 3 = | 8 + 8 - 6 = | 4 + 11 - 3 = | 1 + 2 + 1 = |
| 19 - 2 - 2 = | 1 + 6 + 9 = | 4 + 3 + 1 = | 13 + 7 - 7 = |
| 10 + 9 - 2 = | 11 + 3 + 3 = | 15 - 1 + 4 = | 17 - 3 + 3 = |
| 1 + 2 + 1 = | 5 + 1 + 1 = | 12 - 0 - 8 = | 11 + 3 + 1 = |
| 4 + 4 - 2 = | 6 + 6 + 0 = | 16 + 4 - 14 = | 9 + 4 - 6 = |
