IT 117: Intermediate Scripting

IT 117: Intermediate Scripting
Quiz 2 Answers

What are the entries in a dictionary?
```
key - value pairs
```
Are dictionaries sequences?
```
no
```
If I had a dictionary of email addresses named emails, what would I write to get the email for the person named 'Chris'?
```
emails['Chris']
```
Write the Python statement to create an empty dictionary named empty.
```
empty = {}
```
If I wanted to add the email address 'dave.souza@gmail.com' to the dictionary emails using the key 'Dave', what Python statement would I write?
```
emails['Dave'] = 'dave.souza@gmail.com'
```
Write the Python statement to change the value for 'Dave' in the dictionary above to 'dave.souza@hotmail.com'
```
emails['Dave'] = 'dave.souza@hotmail.com'
```
Write the Python expression you would use to test whether the students dictionary contains an entry for a student with the ID '0123456'.
```
'0123456' in students
```
Write the Python expression you would use to test whether the students dictionary DOES NOT contain an entry for a student with the ID '0123456'.
```
'0123456' not in students
```
Write the Python statement you would use to delete the entry in the students dictionary with key value '0123456'.
```
del students['0123456']
```
What would happen if you tried to delete a dictionary entry using a key that was NOT in the dictionary?
```
you would get a KeyError exception
```