2041_21T1.Q2

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q1的python-stdin实现

用startswith来匹配

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#!/usr/bin/env python3

import sys

count = 0

for line in sys.stdin:
    field = line.strip().split("|")

    if len(field) >=2 and field[-2].startswith("3711/"):
        count += 1

print(count)