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from celery.task import task
suf = lambda n: "%d%s" % (n, {1: "st", 2: "nd", 3: "rd"}.get(n if n < 20 else n % 10, "th"))
def fav_doctor():
"""Reads doctor.txt file and prints out fav doctor, then adds a new
number to the file"""
with open('doctor.txt', 'r+') as f:
for line in f:
nums = line.rstrip().split()
print 'The {} doctor is my favorite'.format(suf(int(nums[0])))
for num in nums[1:]:
print 'Wait! The {} doctor is my favorite'.format(suf(int(num)))
last_num = int(nums[-1])
new_last_num = last_num + 1
f.write(str(new_last_num) + ' ')