A58851. 某 Python 程序段如下:s = "Errors should never pass silently."
判断题
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题目描述
某 Python 程序段如下:
s = "Errors should never pass silently."
d = {}
for ch in s:
if ch in d:
d[ch] += 1
else:
d[ch] = 1
print(d["e"])运行该程序段,输出结果是2。
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