py-prioritise

#!/usr/bin/python
from __future__ import print_function
import fileinput


def find_important(task_list):
    """ Takes a list of tasks and returns the most important one """
    important = task_list[0]

    for task in task_list:
        if task == important:
            continue

        prompt_s = "Is {} more important than {} ('y' for yes)? ".format(
            task, important)
        answer = raw_input(prompt_s)

        if answer is "y":
            important = task

    return important


tasks = [t.rstrip() for t in fileinput.input()]
ordered_tasks = []

while tasks:
    top = find_important(tasks)
    tasks.remove(top)

    ordered_tasks.append(top)

print("The most important task is: {}".format(ordered_tasks[0]))
print("The final ordering is {}".format(ordered_tasks))