下列属于Dictionary常用属性的是（）
A: comp
B: Count
C: Keys
D: Values
A: comp
B: Count
C: Keys
D: Values
举一反三
- Which one of the following is not true about dictionary keys? ( ) A: Keys must be immutable B: Keys must be integers C: When duplicate keys encountered, the last assignment wins D: More than one key is not allowed
- 在mapreduce任务中，下列哪一项会由hadoop系统自动排序（） A: keys of mapper's output B: values of mapper's output C: keys of reducer's output D: values of reducer's output
- 数组的扩展中,属于用于数组遍历的函数的是() A: keys( ) B: entries( ) C: values( ) D: find( )
- Through "d.keys()" we can get an object composed of all the keys in the dictionary d.
- 字典的()方法返回字典的"键"列表 A: keys() B: key() C: values() D: items()