2019-05-10 项目：生成随机的项目测验文件

#! python3

# randomQuizGenerator.py - Creates quizzes with questions and answers in
# random order, along with the answer key.

import random

# the quiz data. Keys are states and values are their capitals.

capitals = {'Alabama': 'Montgomery', 'Alaska': 'Juneau', 'Arizona': 'Phoenix',
            'Arkansas': 'Little Rock', 'California': 'Sacramento',
            'Colorado': 'Denver', 'Connecticut': 'Hartford', 'Delaware': 'Dover',
            'Florida': 'Tallahassee', 'Georgia': 'Atlanta', 'Hawaii': 'Honolulu',
            'Idaho': 'Boie', 'Illinois': 'Springfield', 'Indiana': 'Indianapolis',
            'Iowa': 'Des Moines', 'Kansas': 'Topeka', 'Kentucky': 'Frankfort',
            'Louisiana': 'Baton Rouge', 'Maine': 'Augusta', 'Maryland': 'Annapolis',
            'Massachusetts': 'Boston', 'Michigan': 'Lansing', 'Minnesota': 'Saint Paul',
            'Mississippi': 'Jackson', 'Missouri': 'Jefferson City', 'Montana': 'Helena',
            'Nebraska': 'Lincoln', 'Nevada': 'Carson City', 'New Hampshire': 'Concord',
            'New Jersey': 'Trenton', 'New Mexico': 'Santa Fe', 'New York': 'Albany',
            'North Carolina': 'Raleigh', 'North Dakota': 'Bismarck', 'Ohio': 'Columbus',
            'Oaklahoma': 'Oaklahoma City', 'Oregon': 'Salem', 'Pennsylvania': 'Harrisburg',
            'Rhode Island': 'Providence', 'South Carolina': 'Columbia',
            'South Dakota': 'Pierre', 'Tennessee': 'Nashville', 'Texas': 'Austin',
            'Utah': 'Salt Lake City', 'Vermont': 'Montpelier', 'Virginia': 'Richmond',
            'Washington': 'Olympia', 'West Virginia': 'Charleston', 'Wisconsin': 'Madison',
            'Wyoming': 'Cheyenne'}

# Generate 35 quiz files.

for quizNum in range(35):

    # Create the quiz and answer key files.

    quizFile = open('/Users/austin/Desktop/python_work/quiz/capitalsquiz%s.txt' % (quizNum + 1), 'w')
    answerKeyFile = open('/Users/austin/Desktop/python_work/quiz/capitalsquiz_answers%s.txt' % (quizNum + 1), 'w')

    # Write out the header for the quiz.

    quizFile.write('Name:\n\nDate:\n\nPeriod:\n\n')
    quizFile.write((' ' * 20) + 'State Capitals Quiz (Form%s)' % (quizNum + 1))
    quizFile.write('\n\n')

    # Shuffle the order of the states.

    states = list(capitals.keys())
    random.shuffle(states)

    # Loop through all 50 states, making a question for each.

    for questionNum in range(50):

        # Get rigth and wrong answers.

        correctAnswer = capitals[states[questionNum]]
        wrongAnswers = list(capitals.values())
        del wrongAnswers[wrongAnswers.index(correctAnswer)]
        wrongAnswers = random.sample(wrongAnswers, 3)
        answerOptions = wrongAnswers + [correctAnswer]
        random.shuffle(answerOptions)

        # Write the question and answer options to the quiz file.

        quizFile.write('%s. What is the capital of %s?\n' % (questionNum + 1,
                                                             states[questionNum]))
        quizFile.write('\n')
        # for i in range(4):

        for i in range(4):
            quizFile.write((' ' * 5) + ' %s. %s\n' % ('ABCD'[i], answerOptions[i]))
            quizFile.write('\n')

        # Write the answer key to a file.

        answerKeyFile.write('%s. %s\n' % (questionNum + 1, 'ABCD'[
            answerOptions.index(correctAnswer)]))
        answerKeyFile.write('\n')

quizFile.close()
answerKeyFile.close()