March 2022
Intermediate to advanced
522 pages
13h 52m
Chinese
Content preview from Python语言及其应用（第2版）
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习题答案
｜
447
4.
使用新式格式化写一封套用信。将下列字符串保存为
letter
（下一个练习中要用到）。
Dear {salutation} {name},
Thank you for your letter. We are sorry that our {product}
{verbed} in your {room}. Please note that it should never
be used in a {room}, especially near any {animals}.
Send us your receipt and {amount} for shipping and handling.
We will send you another {product} that, in our tests,
is {percent}% less likely to have {verbed}.
Thank you for your support.
Sincerely,
{spokesman}
{job_title}
>>> letter = '''
... Dear {salutation} {name},
...
... Thank you for your letter. We are sorry that our {product}
... {verbed} in your {room}. Please note that it should never ...