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
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’