What is the type of the following code?

stock$\_$tickers

$\text{'}$GE$\text{'}$: 'General Electric',

'AAL': 'American Airlines',

'AAPL': 'Apple',

'DIS': 'Disney',

'DAL' : 'Delta',

$\text{'}$MSFT$\text{'}$ : 'Microsoft',

'TSLA' : 'Tesla',

$\text{'}$CCL$\text{'}$ : 'Carnival'

$\}$

dictionary

dataframe

tuple

None$/$Error

list

Question $12$

$7$ pts