The source code.
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rvimtutor.py
Executable file
308
rvimtutor.py
Executable file
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#!/usr/bin/env python3
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# RETOOR
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import sys
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import termios
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import tty
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import random
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import time
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import select
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key_mapping = {
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"[A": "up",
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"[B": "down",
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"[C": "right",
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"[D": "left",
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"2A": "shift+up",
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"2B": "shift+down",
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"2C": "shift+right",
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"2D": "shift+left",
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"5A": "ctrl+up",
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"5B": "ctrl+down",
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"5C": "ctrl+right",
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"5D": "ctrl+left",
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"\x17": "C-w",
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"\x0f": "C-o",
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"\x03": "C-c",
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"\x07": "C-g",
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}
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def get_key(key_previous=None):
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fd = sys.stdin.fileno()
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old_settings = termios.tcgetattr(fd)
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special_char = "\x1b"
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if key_previous is None:
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key_previous = special_char
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try:
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tty.setraw(fd)
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key = sys.stdin.read(1)
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if key in key_mapping:
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return key_mapping[key]
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if key == "[":
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key += sys.stdin.read(1)
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if key in key_mapping:
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return key_mapping.get(key, key)
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if key[-1] == "1": # shift plus special key
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if sys.stdin.read(1) == ";": # ;followed by key
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key = sys.stdin.read(2)
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return key_mapping.get(key, key)
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if key == special_char:
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time.sleep(0.1)
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if sys.stdin in select.select([sys.stdin], [], [], 0)[0]:
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key += sys.stdin.read(2)
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key = key_mapping.get(key, key)
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finally:
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termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
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return key
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def clear_terminal():
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sys.stdout.write("\033[2J")
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# Move cursor
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sys.stdout.write("\033[H")
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sys.stdout.flush()
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class Randoms:
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input_choices = list("abcdefghijklmnopqrstuvwxyz")
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word_choices = word_list = [
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"apple",
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"banana",
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"cherry",
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"date",
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"elderberry",
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"fig",
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"grape",
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"honeydew",
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"kiwi",
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"lemon",
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"mango",
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"nectarine",
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"orange",
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"pear",
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"quince",
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"raspberry",
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"strawberry",
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"tangerine",
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"ugli",
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"vaccine",
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"watermelon",
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"xigua",
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"yam",
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"zucchini",
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]
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def __init__(self):
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self.replace = {}
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self.replace["<randc1>"] = random.choice(self.input_choices)
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self.replace["<randc2>"] = random.choice(self.input_choices)
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self.replace["<randc3>"] = random.choice(self.input_choices)
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self.replace["<rints1>"] = random.randint(2, 5)
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self.replace["<rints2>"] = random.randint(2, 5)
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self.replace["<rints3>"] = random.randint(2, 5)
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self.replace["<w1>"] = random.choice(self.word_choices)
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self.replace["<w2>"] = random.choice(self.word_choices)
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self.replace["<w3>"] = random.choice(self.word_choices)
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def apply(self, task):
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task.question = task.base_question
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task.keyboard_input = task.base_keyboard_input
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for key, value in self.replace.items():
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task.question = task.question.replace(key, str(value))
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task.keyboard_input = task.keyboard_input.replace(
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key, ",".join(list(str(value)))
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)
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task.applied_random = (
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task.question != task.base_question
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or task.keyboard_input != task.base_keyboard_input
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)
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class Task:
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questions_total = 0
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def __init__(self, question, keyboard_input):
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Task.questions_total += 1
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self.question_number = Task.questions_total
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self.base_question = question
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self.base_keyboard_input = keyboard_input
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self.question = question
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self.keyboard_input = keyboard_input
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self.success = False
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self.tasks = []
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self.applied_random = False
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self.first_time_executed = True
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r = Randoms()
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r.apply(self)
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def add_task(self, task):
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self.tasks.append(task)
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def execute(self):
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if not self.first_time_executed:
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r = Randoms()
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r.apply(self)
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self.first_time_executed = False
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print("{}".format(self.question))
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index = 0
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mistake = False
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key_previous = None
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for expected in self.keyboard_input.split(","):
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key = get_key(key_previous)
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key_previous = key
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if key == "\x1b":
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key = get_key(key_previous)
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key_previous = key
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if key == "C-c":
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raise KeyboardInterrupt()
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if key == "\x17":
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print("CTRL+W")
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else:
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print(key, end="", flush=True)
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if expected == key:
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index += 1
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else:
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mistake = True
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if mistake:
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print('\n"{}" is incorrect.'.format(repr(key)))
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print(
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'\nExpected input: "{}".'.format(
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self.keyboard_input.replace(",", "")
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)
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)
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print("\nPress any key to continue...")
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get_key(None)
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break
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if key == "q":
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break
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if not mistake:
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self.success = True
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print("")
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print(
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random.choice(
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["Great!", "Excelent!", "Awesome!", "Keep it up!", "Perfect!"]
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)
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)
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print("")
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self.success = all([task.execute() for task in self.tasks])
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time.sleep(0.40)
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return self.success
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tasks = [
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Task("Open terminal\n", ":,terminal,\r"),
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Task("Delete from the cursor to the end of the word.", "d,e"),
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Task("Delete from the cursor to the end of the line.", "d,$"),
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Task("Delete from the cursor to the beginning of the next word.", "d,w"),
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Task("Delete <rints1> lines using a numeric value.", "<rints1>,d,d"),
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Task("Move backward in the search results.", "N"),
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Task("Move forward in the search results.", "n"),
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Task("Move to line number <rints1>.", "<rints1>,G"),
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Task("Undo all changes on the current line.", "U"),
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Task("Move to the end of the word.", "e"),
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Task("Move to the beginning of the line.", "0"),
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Task("Search backward for <w1>.", ":,?,<w1>,\r"),
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Task("Search forward for <w1>.", ":,/,<w1>,\r"),
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Task("Display the current location in the status bar.", "C-g"),
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Task("Indent the selected text.", ">,>"),
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Task("De-indent the selected text.", "<,<"),
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Task("Save the document as <w1>.py.", ":,w, ,<w1>,.,p,y,\r"),
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Task("Replace the first occurrence of <w1> with <w2>.", ":,s,/,<w1>,/,<w2>,/,g"),
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Task(
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"Replace all occurrences of <w1> with <w2> in the entire file.",
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":,%,s,/,<w1>,/,<w2>,/,g",
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),
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Task(
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"Replace all occurrences of <w1> with <w2> in the entire file, with confirmation for each change.",
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":,%,s,/,<w1>,/,<w2>,/,g,c",
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),
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Task(
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"Select the next five characters and save them to a file.",
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"v,right,right,right,right,:,w",
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),
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Task("Exit Vim.", ":,q"),
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Task("Split the screen vertically.", ":,v,s,p,l,i,t,\r"),
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Task("Split the screen horizontally.", ":,s,p,l,i,t,\r"),
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Task("Merge the file <w1>.txt into the current file.", ":,r, ,<w1>,.,t,x,t,\r"),
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Task(
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"Move three words to the left without using numeric values.",
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"ctrl+left,ctrl+left,ctrl+left",
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),
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Task(
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"Move three words to the right without using numeric values.",
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"ctrl+right,ctrl+right,ctrl+right",
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),
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Task("Return to the previous position.", "C-o"),
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Task("Type <w1>.", "<w1>"),
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Task("Indent the current line and the two lines below.", "v,down,down,>,>"),
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Task("Enable case-sensitive search.", ":,s,e,t, ,n,o,i,c"),
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Task("Enable case-insensitive search.", ":,s,e,t, ,i,c"),
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Task("Copy the word under the cursor.", "y,w"),
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Task("Replace the text under the cursor with <w1>.", "R,<w1>"),
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Task("Insert text at the end of the line.", "A"),
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Task("Insert text after the cursor.", "a"),
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Task("Insert a new line below the current line.", "o"),
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Task("Insert a new line above the current line.", "O"),
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Task("Move to the beginning of the document.", "g,g"),
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Task("Move to the end of the line.", "$"),
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Task("Move to the end of the document.", "G"),
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Task(
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"Select the next four characters and copy them.", "v,right,right,right,right,y"
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),
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Task("Switch to the next window.", "C-w,C-w"),
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Task("Swap the position of the current window with another.", "C-w,r"),
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Task("Copy the current line.", "y,y"),
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Task("Copy all content.", "y"),
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Task("Paste the copied content.", "p"),
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Task("Replace the character under the cursor with '<randc1>'.", "r,<randc1>"),
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Task("Delete the character under the cursor.", "x"),
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Task("Delete the line under the cursor.", "d,d"),
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Task("Cut the current line.", "c,c"),
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Task("Type <w1>.", "<w1>"),
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]
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# shift select Move with>>
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def main():
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questions_correct = []
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questions_incorrect = []
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question_count = 0
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durations = []
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while tasks:
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clear_terminal()
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if not durations:
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avg_reaction_time = 0
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else:
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avg_reaction_time = sum(durations) / len(durations)
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num_correct = len(questions_correct)
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num_incorrect = len(questions_incorrect)
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avg_time = round(sum(durations) / len(durations), 2) if durations else 0
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print(
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"Correct: {}\tIncorrect: {}\tAvg reaction time: {}".format(
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num_correct, num_incorrect, avg_time
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)
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)
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print("")
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question_count += 1
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task = random.choice(tasks)
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print("{}. ".format(question_count), end="")
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time_start = time.time()
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if task.execute():
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tasks.remove(task)
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questions_correct.append(task)
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else:
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questions_incorrect.append(task)
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time_end = time.time()
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durations.append(time_end - time_start)
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if __name__ == "__main__":
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main()
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