小学四则运算

作业目标

实现一个自动生成小学四则运算题目的命令行程序

参考网址

|学习方法|(http://www.cnblogs.com/jiel/p/4810756.html)
|学习参数传递|(https://www.cnblogs.com/saiwa/articles/5253713.html)

代码

from fractions import Fraction
import random

# 设置一系列列表变量
q =[]
ans = []
right = []
wrong = []
right_num = []
wrong_num = []
not_all_repeat = []
repeat1 = []
repeat2 = []
repeat_ans = []


#设置有一个运算符号的函数
def cal1():
    hao = random.choice(['+', '-', '*', '/'])
    n1 = random.randint(0,10)
    n2 = random.randint(0,10)
    n3 = random.randint(1,10)
    if hao == '+':
        a = str(n1) + '+' + str(n2) + '='
        b = n1 + n2
        return a, b

    elif hao == "-":
        a = str(n1) + '-' + str(n2) + '='
        b = n1 - n2
        return a, b
        
    elif hao == "*":
        a = str(n1) + '*' + str(n2) + '='
        b = n1 * n2
        return a, b
      
    elif hao == "/":
        a = str(n1) + '/' + str(n3) + '='
        b = Fraction(n1, n3)
        return a, b

#设置有两个运算符号的函数
def cal2():
    hao = random.choice(['+' + '-', '+' + '*', '+' + "/", "-" + "*", '-' + "/", "*" + "/"])
    n1 = random.randint(0,10)
    n2 = random.randint(0,10)
    n4 = random.randint(0,10)
    n3 = random.randint(1,10)
    if hao == '+' + '-':
        a = str(n1) + '+' + str(n2) + "-" + str(n4) + '='
        b = n1 + n2 - n4
        return a, b

    elif hao == "+" + "*":
        a = str(n1) + '+' + str(n2) + "*" + str(n4) + '='
        b = n1 + n2 * n4
        return a, b
        
    elif hao == "+" + "/":
        a = str(n1) + '+' + str(n2) + "/" + str(n3) + '='
        b = n1 + Fraction(n2 , n3)
        return a, b
    
    elif hao == "-" + "*":
        a = str(n1) + '-' + str(n2) + "*" + str(n4) + '='
        b = n1 - n2 * n4
        return a, b

    elif hao == "-" + "/":
        a = str(n1) + '-' + str(n2) + "/" + str(n3) + '='
        b = n1 - Fraction(n2 , n3)
        return a, b

    elif hao == "*" + "/":
        a = str(n1) + '*' + str(n2) + "/" + str(n3) + '='
        b = n1 * Fraction(n2 , n3)
        return a, b


#输入你想要的题目数量
n = int(input('开始愉快地提升吧！请输入你想要的题目数目： '))
k =n
#开始运行函数
while k > 0:
    c = [cal1(), cal2()]
    a = c[random.randint(0, 1)]
    b1 = list(a[0])
    not_all_repeat.append(b1)
    q.append(a[0])
    ans.append(a[1])
    k -= 1

#对于重复的题号，题目的处理
repeat_num = 0
for i1 in range(0, n):
    for i2 in range(0, n):
        if i1 != i2:
            if not_all_repeat[i1] == not_all_repeat[i2]:
                repeat_num += 1
                repeat1.append(str(i1))
                repeat2.append(str(i2))
                repeat_ans.append(str(q[i1]))


#在Exercises.txt中写入题目
y = 1
for i in q:
    text = open('Exercises.txt', 'a+')
    text.write("题目{}: ".format(y))
    text.write(i)
    text.write('\n')
    text.close()
    y += 1


#在Answer.txt中写入答案
e = 1
for i in ans:
    answer = open('Answer.txt', 'a+')
    answer.write("第{}题答案： ".format(e))
    answer.write(str(i))
    answer.write('\n')
    answer.close()
    e += 1

#在终端中写入自己的答案
e1 = 0
e2 = 0
for o in range(0, len(q)):
    print(q[o])
    d = o + 1
    a = int(input("这是第{}题，请输入你的答案： ".format(d)))
    #区分正确与错误的答案
    if a == ans[o]:
        e1 += 1
        right.append(a)
        right_num.append(d)
    else:
        e2 += 1
        wrong.append(a)
        wrong_num.append(d)


#打开Grade.txt， 写入正确的，错误的与重复的题目
c = open('Grade.txt', 'a+')
for i in right:
    c.write(str(i))
    c.write("\n")
    
for i in wrong:
    c.write(str(i))
    c.write("\n")

c.write("正确的题目有 :  ")
c.write(str(e1))

for i in right_num:
    c.write(str(i))
    c.write("  ")

c.write("\n")

c.write("错误的题目有 :  ")
c.write(str(e2))

for i in wrong_num:
    c.write(str(i))
    c.write("  ")
c.write('\n')

c.write("重复的题目有： {}  道。".format(repeat_num))


c.write('\n')
c.write("重复的Detail: ")
c.write('\n')

for i in range (0, repeat_num):
    print('第 {} 组： '.format(i + 1))
    print("第 {} 题与第 {} 题重复， 题目为： {}".format(repeat1[i], repeat2[i], repeat_ans[i]))
    c.write('\n')

#关闭文件
print('请在Grade.txt里查看你的答案是否正确')
c.close()

运行结果