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‎PyPortal_Trivia_Time/code.py‎

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"""
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This example uses the Open Trivia Database API to display multiple choice trivia questions.
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Tap the screen to start, then a question will appear and a 30 second timer will start.
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The first player to hit their button will get 10 seconds to answer.
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Hit button again to reveal answer. Tap screen to move to next question.
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This program assumes two buttons are attached to D3 and D4 on the Adafruit PyPortal.
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"""
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import time
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import random
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import board
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from adafruit_pyportal import PyPortal
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from digitalio import DigitalInOut, Direction, Pull
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from adafruit_display_text import label
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from adafruit_bitmap_font import bitmap_font
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# initialize harware
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led = DigitalInOut(board.L) # For debugging
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led.direction = Direction.OUTPUT
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button1 = DigitalInOut(board.D4)
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button2 = DigitalInOut(board.D3)
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button1.direction = Direction.INPUT
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button2.direction = Direction.INPUT
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button1.pull = Pull.UP
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button2.pull = Pull.UP
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display = board.DISPLAY
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# determine the current working directory
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# needed so we know where to find files
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cwd = ("/"+__file__).rsplit('/', 1)[0]
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# Set up where we'll be fetching data from
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DATA_SOURCE = "https://opentdb.com/api.php?amount=1&type=multiple"
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Q_LOCATION = ['results', 0, 'question']
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WA_LOCATION1 = ['results', 0, 'incorrect_answers', 0]
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WA_LOCATION2 = ['results', 0, 'incorrect_answers', 1]
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WA_LOCATION3 = ['results', 0, 'incorrect_answers', 2]
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CA_LOCATION = ['results', 0, 'correct_answer']
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# Text info
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trivia_font = bitmap_font.load_font("/fonts/Arial-ItalicMT-17.bdf")
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answerChoices = ("A","B","C","D")
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a1f_text = ''
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a2f_text = ''
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a3f_text = ''
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a4f_text = ''
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player1_text = "Player 1!"
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player2_text = "Player 2!"
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timesup_text = "TIME'S UP!"
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loading_text = "loading question..."
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tapagain_text = "Tap again for \n next question."
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# Text locations (screen is 320 x 240)
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loading_position = tapagain_position = (100,120)
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player_position = timesup_position = answerReveal_position = (120, 75)
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answerReveal_position = (25, 75)
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q_position = (25, 70)
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a1_position = (25, 135)
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a2_position = (25, 155)
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a3_position = (25, 175)
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a4_position = (25, 195)
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loading_color = q_color = 0x8080FF
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a_color = 0xFFFFFF
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# Clear screen of all elements but background
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def clear_splash():
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for _ in range(len(pyportal.splash) - 1):
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pyportal.splash.pop()
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# A function to shuffle trivia questions
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def shuffle(aList):
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for i in range(len(aList)-1, 0, -1):
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# Pick a random index from 0 to i
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j = random.randint(0, i + 1)
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# Swap arr[i] with the element at random index
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aList[i], aList[j] = aList[j], aList[i]
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return aList
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#convert html codes to normal text
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def unescape(s):
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s = s.replace(""", "''")
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s = s.replace("'", "'")
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s = s.replace("&", "&")
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return s
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# A function to handle the timer and determine which player answers first
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def faceOff(timerLength):
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timerStart = time.monotonic()
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print(time.monotonic() - timerStart)
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while time.monotonic() - timerStart < timerLength:
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if button1.value:
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led.value = False # For debugging
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else: # If button 1 pressed, print player 1 on screen and exit function
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pyportal.splash.pop() # make room for player that wins
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player1_text_area = label.Label(trivia_font, text=player1_text, color=loading_color)
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player1_text_area.x = player_position[0]
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player1_text_area.y = player_position[1]
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pyportal.splash.append(player1_text_area)
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led.value = True # For debugging
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break
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if button2.value:
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led.value = False # For debugging
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else: # If button 2 pressed, print player 1 on screen and exit function
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led.value = True # For debugging
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pyportal.splash.pop() # make room for player that wins
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player2_text_area = label.Label(trivia_font, text=player2_text, color=loading_color)
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player2_text_area.x = player_position[0]
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player2_text_area.y = player_position[1]
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pyportal.splash.append(player2_text_area) # push 5
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break
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if time.monotonic() - timerStart > (timerLength - 0.5): # Timer runs out
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pyportal.splash.pop() # make room for player that wins
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timesup_text_area = label.Label(trivia_font, text=timesup_text, color=loading_color)
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timesup_text_area.x = timesup_position[0]
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timesup_text_area.y = timesup_position[1]
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pyportal.splash.append(timesup_text_area)
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print(time.monotonic() - timerStart)
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time.sleep(0.05) # debounce delay
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#function to format trivia question content
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def format_trivia():
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pyportal.splash.pop()
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pyportal.splash.append(loading_text_area)
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# Formatting with display text library
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q_text = unescape(value[0])
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q_text_formatted = pyportal.wrap_nicely(q_text, 35)
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qf_text = ''
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for wrp in range (len(q_text_formatted)):
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qf_text = qf_text + q_text_formatted[wrp] +"\n"
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q_text = qf_text
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q_text_area = label.Label(trivia_font, text=q_text,
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color=q_color, line_spacing = 1)
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q_text_area.x = q_position[0]
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q_text_area.y = q_position[1]
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a1_text = unescape(value[1])
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a1_text_area = label.Label(trivia_font, text="A. "+a1_text,
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color=a_color, line_spacing = 1.5)
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a1_text_area.x = a1_position[0]
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a1_text_area.y = a1_position[1]
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a2_text = unescape(value[2])
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a2_text_area = label.Label(trivia_font, text="B. "+a2_text,
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color=a_color, line_spacing = 1.5)
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a2_text_area.x = a2_position[0]
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a2_text_area.y = a2_position[1]
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a3_text = unescape(value[3])
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a3_text_area = label.Label(trivia_font, text="C. "+a3_text,
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color=a_color, line_spacing = 1.5)
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a3_text_area.x = a3_position[0]
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a3_text_area.y = a3_position[1]
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a4_text = unescape(value[4])
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a4_text_area = label.Label(trivia_font, text="D. "+a4_text,
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color=a_color, line_spacing = 1.5)
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a4_text_area.x = a4_position[0]
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a4_text_area.y = a4_position[1]
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pyportal.splash.pop() # take off loading...
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pyportal.splash.append(a1_text_area)
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pyportal.splash.append(a2_text_area)
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pyportal.splash.append(a3_text_area)
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pyportal.splash.append(a4_text_area)
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# append question last so it can be removed more easily later
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pyportal.splash.append(q_text_area)
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# PyPortal constructor
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pyportal = PyPortal(url=DATA_SOURCE,
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status_neopixel=board.NEOPIXEL,
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default_bg=cwd+"/trivia_title.bmp")
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pyportal.preload_font() # speed things up by preloading font
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while True:
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# Load new question when screen is touched
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if pyportal.touchscreen.touch_point:
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clear_splash() # clear all besides background screen
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pyportal.set_background(cwd+"/trivia.bmp")
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loading_text_area = label.Label(trivia_font, text=loading_text, color=loading_color)
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loading_text_area.x = loading_position[0]
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loading_text_area.y = loading_position[1]
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pyportal.splash.append(loading_text_area) #loading...
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answerList = [WA_LOCATION1, WA_LOCATION2, WA_LOCATION3, CA_LOCATION]
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# For catching potential index error when shuffling question
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try:
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shuffle(answerList) # Shuffle answers
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except IndexError:
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print("Index Error")
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tapagain_text_area = label.Label(trivia_font, text=tapagain_text, color=loading_color)
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tapagain_text_area.x = tapagain_position[0]
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tapagain_text_area.y = tapagain_position[1]
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pyportal.splash.pop() # take off loading...
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pyportal.splash.append(tapagain_text_area)
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continue
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try:
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# set the JSON path here, now that answers are shuffled
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# pylint: disable=protected-access
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pyportal._json_path=(Q_LOCATION,
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answerList[0],
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answerList[1],
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answerList[2],
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answerList[3],)
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value = pyportal.fetch()
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print("Response is", value)
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format_trivia()
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except RuntimeError as e:
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print("Some error occured, retrying! -", e)
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faceOff(30) # 30 seconds with question
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time.sleep(2) # pause for 2 seconds to show which player tapped first
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faceOff(10) # 10 seconds to answer
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# Show the correct answer
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for ansr in range(len(answerList)):
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if answerList[ansr] is CA_LOCATION:
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print(answerChoices[ansr])
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correctAnswerChoice = answerChoices[ansr]
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break
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answerReveal_text="Correct Answer: "+str(correctAnswerChoice)+"\n(Tap for next question.)"
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answerReveal_text_area = label.Label(trivia_font, text=answerReveal_text,
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color=loading_color)
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answerReveal_text_area.x = answerReveal_position[0]
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answerReveal_text_area.y = answerReveal_position[1]
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pyportal.splash.pop() # Make room for answer
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pyportal.splash.append(answerReveal_text_area)

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