Python Dictionaries
dict函数 基本的字典操作 len(d)返回d中项(key-value)的数量 d[k]返回关联到键k上的值 d[k]=v将值v关联到键k上 del d[k]删除键为k的项 k in d检查d中是否有含有键为k的项 来看个简单的例子 databases = {
"Oracle" : {
"username" : "oracleapp",
"pass
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相关文章
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