$[$HOMEWORK$]$ Problem #$1\mathrm{.}3$

Now consider a dictionary. A value that is associated with a key in a dictionary can be accessed by its key.

A sample output is as follows:

$12$

$8$

Index out of range $-$ this account has no saving account

Please check the valid account.

None

'Key Error $-$ that account David is not available.$\text{'}$

Please make sure the valid name.

None

Add a code segment of the exception handler to the function balance$().$

Double$-$click $($or enter$)$ to edit

Double$-$click $($or enter$)$ to edit

$[$My code $3$:$]$ for exception handling$[$HOMEWORK$]$ Problem #$1\mathrm{.}3$

Now consider a dictionary. A value that is associated with a key in a dictionary can be accessed by its key.

A sample output is as follows:

$12$

$8$

Index out of range $-$ this account has no saving account

Please check the valid account.

None

'Key Error $-$ that account David is not available.$\text{'}$

Please make sure the valid name.

None

Add a code segment of the exception handler to the function balance$().$

Double$-$click $($or enter$)$ to edit

Double$-$click $($or enter$)$ to edit

$[$My code $3$:$]$ for exception handling