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@nillsondg
Last active July 20, 2017 22:36
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f = open("output.txt","w")
with open("input.txt", 'r') as fh:
for line in fh:
name, phone = line.split(" ")
phone = phone.strip()
numbers = {}
for num in phone:
if num in numbers:
numbers[num] += 1
else:
numbers[num] = 1
if len(numbers) <= 3:
f.write(name + " " + phone + "\n")
f.close()
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