MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Python knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Suppose d = { john :40, peter :45}, what happens when we try to retrieve a value using the expression d[ susan ]? |
| A. | Since susan is not a value in the set, Python raises a KeyError exception |
| B. | It is executed fine and no exception is raised, and it returns None |
| C. | Since susan is not a key in the set, Python raises a KeyError exception |
| D. | Since susan is not a key in the set, Python raises a syntax error |
| Answer» D. Since susan is not a key in the set, Python raises a syntax error | |
| 2. |
Suppose d = { john :40, peter :45}. To obtain the number of entries in dictionary which command do we use? |
| A. | d.size() |
| B. | len(d) |
| C. | size(d) |
| D. | d.len() |
| Answer» C. size(d) | |
| 3. |
Suppose d = { john :40, peter :45}, to delete the entry for john what command do we use? |
| A. | d.delete( john :40) |
| B. | d.delete( john ) |
| C. | del d[ john ] |
| D. | del d( john :40) |
| Answer» D. del d( john :40) | |