I need help with dictionary in python ex: in notebook:

Tim: $45,$ Horton: $12,$ Maple: $65$ key: name and value: age

def copy$\_$item$($notebook$,$ name, age$)$:

$"""$double a key and value group $"""$

def add$\_$modify$\_$name$($notebook$,$ name, age$)$:

$"""$Adds or edits a person's name in a notebook."""

def recover$\_$age$($notebook$,$ name$)$:

$"""$ Get the person's name and age"""

def item$\_$manualy$($notebook$,$ name, age$)$:

$"""$browse a dictionary"""

thanks!