该程序将询问用户关于两个数字的一系列问题。这两个数字将在1到10之间随机生成，它将向用户询问10次。在这10个问题的最后，该程序将显示用户从这些问题中纠正了多少。每个问题都应该在询问产品，总和或差异之间随机决定。将问题分成一个函数，以及验证用户输入。
我尝试使用三个产品，总和或差异随机生成。我试图使用z = random.randint(1, 4)是选择1是产品，2是总和，或3是差异然后我使用如果变量z是1，然后做产品数学或如果var z是3，那么它应该是这样的差异x / y，但我无法想象它完成它。当我第一次使用产品时，我有预期的结果，但它有效，所以我只需添加总和和差异。
产品的预期输出（有些不适合使用分数进行测试）：
> python3 rand3.py
What is 3 x 4
Enter a number: 12
What is 3 x 7
Enter a number: 27
What is 6 x 3
Enter a number: 18
What is 7 x 10
Enter a number: 70
What is 9 x 10
Enter a number: 90
What is 9 x 7
Enter a number: 72
What is 5 x 9
Enter a number: 54
What is 6 x 8
Enter a number:
Incorrect Input!
Enter a number: 48
What is 1 x 5
Enter a number: 5
What is 10 x 3
Enter a number: 30
You got 7 correct out of 10
我的产品工作（成功）：
import random
def askNum():
while(1):
try:
userInput = int(input("Enter a number: "))
break
except ValueError:
print("Incorrect Input!")
return userInput
def askQuestion():
x = random.randint(1, 100)
y = random.randint(1, 100)
print("What is " + str(x) + " x " +str(y))
u = askNum()
if (u == x * y):
return 1
else:
return 0
amount = 10
correct = 0
for i in range(amount):
correct += askQuestion()
print("You got %d correct out of %d" % (correct, amount))
我目前的工作:(我正在努力增加和预期输出之和
更新：预期输出与产品配合良好后，我试图为z添加新的随机int 1-3，这意味着我使用1是产品，2是总和，3是差异使用if语句通过随机选择。我正在努力解决这个问题，我停下来想弄清楚如何做数学随机，因为我现在已经是Python新手了一个月。
import random
def askNum():
while(1):
try:
userInput = int(input("Enter a number: "))
break
except ValueError:
print("Incorrect Input!")
return userInput
def askQuestion():
x = random.randint(1, 10)
y = random.randint(1, 10)
z = random.randint(1, 4)
print("What is " + str(x) + " "+ str(z)+ " " +str(y))
u = askNum()
if (z == 1):
x * y #product
return 1
else if (z == 2):
x + y #sum
return 1
else if (z == 3):
x / y #difference
return 1
else
return 0
amount = 10
correct = 0
for i in range(amount):
correct += askQuestion()
print("You got %d correct out of %d" % (correct, amount))
OUTPUT：
md35@isu:/u1/work/python/mathquiz> python3 mathquiz.py
File "mathquiz.py", line 27
if (z == 1):
^
IndentationError: unexpected indent
md35@isu:/u1/work/python/mathquiz>
使用此当前输出，我使用更正的Python格式进行了双重检查，所有内容都是敏感的，并且仍然与运行输出相同。任何帮助将更加赞赏解释。 （我希望我的英语可以理解，因为我是聋子）我从星期六起就已经开始了这个，比预期的还要准时。
你的问题是python 3不允许混合空格和制表符进行缩进。使用显示所用空格（并手动修复）的编辑器或将制表符替换为空格的编辑器。建议使用4个空格进行缩进 - 阅读PEP-0008以获得更多样式提示。
如果你使用'+','-','*','/'而不是1,2,3,4来映射你的操作，你可以让你的程序不那么神秘：ops = random.choice("+-*/")给你一个运算符作为字符串。您将其输入calc(a,ops,b)函数并从中返回正确的结果。
您还可以缩短askNum并提供要打印的文本。
这些看起来像这样：
def askNum(text):
"""Retunrs an integer from input using 'text'. Loops until valid input given."""
while True:
try:
return int(input(text))
except ValueError:
print("Incorrect Input!")
def calc(a,ops,b):
"""Returns integer operation result from using : 'a','ops','b'"""
if ops == "+": return a+b
elif ops == "-": return a-b
elif ops == "*": return a*b
elif ops == "/": return a//b # integer division
else: raise ValueError("Unsupported math operation")
最后但并非最不重要的是，你需要修复除法部分 - 你只允许整数输入，这样你也只能给出可以使用整数答案解决的除法问题。
程序：
import random
total = 10
correct = 0
nums = range(1,11)
for _ in range(total):
ops = random.choice("+-*/")
a,b = random.choices(nums,k=2)
# you only allow integer input - your division therefore is
# limited to results that are integers - make sure that this
# is the case here by rerolling a,b until they match
while ops == "/" and (a%b != 0 or a<=b):
a,b = random.choices(nums,k=2)
# make sure not to go below 0 for -
while ops == "-" and a<b:
a,b = random.choices(nums,k=2)
# as a formatted text
result = askNum("What is {} {} {} = ".format(a,ops,b))
# calculate correct result
corr = calc(a,ops,b)
if result == corr:
correct += 1
print("Correct")
else:
print("Wrong. Correct solution is: {} {} {} = {}".format(a,ops,b,corr))
print("You have {} out of {} correct.".format(correct,total))
输出：
What is 8 / 1 = 3
Wrong. Correct solution is: 8 / 1 = 8
What is 5 - 3 = 3
Wrong. Correct solution is: 5 - 3 = 2
What is 4 - 2 = 3
Wrong. Correct solution is: 4 - 2 = 2
What is 3 * 1 = 3
Correct
What is 8 - 5 = 3
Correct
What is 4 / 1 = 3
Wrong. Correct solution is: 4 / 1 = 4
What is 8 * 7 = 3
Wrong. Correct solution is: 8 * 7 = 56
What is 9 + 3 = 3
Wrong. Correct solution is: 9 + 3 = 12
What is 8 - 1 = 3
Wrong. Correct solution is: 8 - 1 = 7
What is 10 / 5 = 3
Wrong. Correct solution is: 10 / 5 = 2
You have 2 out of 10 correct.
def askQuestion():
x = random.randint(1, 10)
y = random.randint(1, 10)
z = random.randint(1, 4)
print("What is " + str(x) + " "+ str(z)+ " " +str(y))
u = askNum()
if (z == 1):
x * y #product
return 1
elif (z == 2):
x + y #sum
return 1
elif (z == 3):
x / y #difference
return 1
else:
return 0
像这样写你的块你的u = askNum（）和下一个if循环应该在同一条垂直线上。
要生成n个随机数，您可以使用
random.sample(range(from, to),how_many_numbers)
用户this作为参考有关随机的更多信息
import random
low=0
high=4
n=2 #no of random numbers
rand = random.sample(range(low, high), n)
#List of Operators
arithmetic_operators = ["+", "-", "/", "*"];
operator = random.randint(0, 3)
x = rand[0];
y = rand[1];
result=0;
# print(x, operator, y)
if (operator == 0):
result = x + y# sum
elif(operator == 1):
result = x - y# difference
elif(operator == 2):
result= x / y#division
else :
result=x * y# product
print("What is {} {} {}? = ".format(x,arithmetic_operators[operator],y))
以下存储随机数（int）
operator = random.randint(0, 3)
将其与运营商列表进行比较。
示例：operator = 2
elif(operator == 2):
result= x / y#division
要执行此代码，并且因为operator = 2，将选择列表（/）中的第3个元素
输出：
What is 3 / 2?