101 lines
2.7 KiB
Python
101 lines
2.7 KiB
Python
import random
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import operator
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import os
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# Constants
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ANSWER_COUNT = 4
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ops = {
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'+': operator.add,
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'-': operator.sub,
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'*': operator.mul,
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'/': operator.truediv
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}
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score = 0
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'''Clears the console.'''
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def cls():
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os.system('cls' if os.name == 'nt' else 'clear')
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'''Formats a number.'''
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def formatNumber(num):
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if num % 1 == 0:
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return str(int(num))
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else:
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return '%.2f' % num
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'''Generates a question to be used'''
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def generateQuestion():
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while True:
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x = random.randint(0, 11)
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y = random.randint(1, 11)
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op = random.choice(list(ops.keys()))
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if op == '/' and y > x:
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continue
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else:
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answer = ops.get(op)(x, y)
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return (x, y, op, answer)
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'''Generates a fake answer based on the real answer.'''
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def generateFakeAnswer(answer):
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r = random.randint(-11, 11)
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return answer + r
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'''Asks a question.'''
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def askQuestion():
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global score
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x, y, op, answer = generateQuestion()
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# Generate a list of potential fake answers
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answerList = {}
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answerLocation = random.randint(1, ANSWER_COUNT)
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for i in range(1, 5):
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if i == answerLocation:
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answerList[i] = answer
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else:
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while True:
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generated = generateFakeAnswer(answer)
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if generated != answer and generated not in answerList:
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answerList[i] = generated
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break
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# Format that list of potential fake answers into a string
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answers = ''
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for key in answerList:
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value = answerList.get(key)
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answers += '\n%i) %s' % (key, formatNumber(value))
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# Ask the question
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print("""
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What is the correct answer to the following expression? %i %s %i
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%s
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""" % (x, op, y, answers))
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# Recieve input and mark the user based on it
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while True:
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try:
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userAnswer = float(input('Which is the correct answer? '))
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if userAnswer == answerLocation:
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print('You got it right!')
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score = score + 1
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else:
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print('You got it wrong!')
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break
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except ValueError:
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print('Your input must be a number!')
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# Ask the user how many questions they would like to be asked
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while True:
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try:
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howMany = int(input('How many questions would you like to answer? '))
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cls()
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for i in range(howMany):
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askQuestion()
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cls()
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print('Your final score is %i/%i!' % (score, howMany))
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break
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except ValueError:
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print('Your input must be a number!')
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