How many key comparisons are needed in searching for key value 38（）
A: 1
B: 2
C: 3
D: 4
A: 1
B: 2
C: 3
D: 4
C
举一反三
- 题目：暂停一秒输出。import timemyD = {1:'a', 2:'b', 3:'c', 4:'d', 5:'e', 6:'f', 7:'g'}for key,value in dict.items(myD): print(key,value) ___________________#暂停一秒 A: time.sleep(1000) B: time.delay(1) C: time.delay(1000) D: time.sleep(1)
- 在JSON字符串中，Object结构是（ ）。 A: key , value B: {key:value,key:value...} C: Key D: value
- HashMap中的put()方法参数是() A: put(value,key) B: put(key,key) C: put(key,value) D: put(key,key)
- How many documents are needed for a construction project? A: 3 B: 4
- x = { 'key': 'value' } print(x[0]) 上述代码输出结果为____。 A: ‘key’: ‘value’ B: 无法执行 C: ‘key’ D: ‘value’
内容
- 0
The use of key words searching tools is for us to search for and copy the product key words.
- 1
How many types of outlines are there? A: 1 B: 2 C: 3 D: 4
- 2
How many syllables in "tail"? A: 1 B: 2 C: 3 D: 4
- 3
How many syllables in “coughed”? A: 3 B: 2 C: 1 D: 4
- 4
以下哪遍历字典、依次输出所有键值对里的值的方式是不对的： A: for key in dict: print(dict[key]) B: for key in dict.keys(): print(dict[key]) C: for key,value in dict.items(): print(value) D: for value in dict: print(value)