why ?imooc換shunyi不行？
result=template.format(w=world,c=china,b=beijing,s=shunyi)
Traceback (most recent call last):
? File "<stdin>", line 1, in <module>
NameError: name 'shunyi' is not defined. Did you mean: 'sunyi'?
weixin_慕數據0105977
2023-07-14
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2023-07-15