使用字典的( )方法得到所有键作为元素的列表,实现字典中所有键的遍历。 A: keys() B: items() C: values() D: dict()
使用字典的( )方法得到所有键作为元素的列表,实现字典中所有键的遍历。 A: keys() B: items() C: values() D: dict()
Check off the items when you have completed them: A: I wrote my haiku B: I posted my poem to the forum for feedback. C: I gave feedback to two of my peers on their poems.
Check off the items when you have completed them: A: I wrote my haiku B: I posted my poem to the forum for feedback. C: I gave feedback to two of my peers on their poems.
以下程序的输出结果:( ) A: <;class 'dict'>;<;class 'dict_values'>;<;class 'dict_keys'>; B: <;class 'dict'>; C: <;class 'dict'>;<;class 'dict'>;<;class 'dict'>; D: <;class 'dict'>;NoneNone
以下程序的输出结果:( ) A: <;class 'dict'>;<;class 'dict_values'>;<;class 'dict_keys'>; B: <;class 'dict'>; C: <;class 'dict'>;<;class 'dict'>;<;class 'dict'>; D: <;class 'dict'>;NoneNone
dict={'1':1,'2':2} theCopy=dict dict['1']=5 sum=dict['1']+theCopy['1'] print(sum)
dict={'1':1,'2':2} theCopy=dict dict['1']=5 sum=dict['1']+theCopy['1'] print(sum)
It’ll<br/>be a busy day for me. There are twenty _____ on my to-do list. A: items B: things C: matters D: articles
It’ll<br/>be a busy day for me. There are twenty _____ on my to-do list. A: items B: things C: matters D: articles
字典中添加元素( )。 A: DICT[3]=(1,2,3) B: DICT['4]=6:3 C: DICT[2]=2 D: DICT['1']=1
字典中添加元素( )。 A: DICT[3]=(1,2,3) B: DICT['4]=6:3 C: DICT[2]=2 D: DICT['1']=1
以下能正确的创建字典的是() A: dict={}.fromkeys((1,2)) B: dict={a:1,b:2,c:3} C: dict={{1,2}:1} D: dict=dict([1,2],[3,4])
以下能正确的创建字典的是() A: dict={}.fromkeys((1,2)) B: dict={a:1,b:2,c:3} C: dict={{1,2}:1} D: dict=dict([1,2],[3,4])
(单选题, 0.2分)以下不能创建一个字典的语句是( ) A: dict={} B: dict={(4,5,6):'dictionary'} C: dict={4:6} D: dict={[4,5,6]:'dictionary'}
(单选题, 0.2分)以下不能创建一个字典的语句是( ) A: dict={} B: dict={(4,5,6):'dictionary'} C: dict={4:6} D: dict={[4,5,6]:'dictionary'}
假设dict = {'Name': 'Zara', 'Age': 7},编写代码,遍历字典dict的键值对。
假设dict = {'Name': 'Zara', 'Age': 7},编写代码,遍历字典dict的键值对。
Match the items in Column A with the items in Column B.
Match the items in Column A with the items in Column B.