Python - Nested Dictionaries
Nested Dictionaries
A dictionary can contain dictionaries, this is called nested dictionaries.
Example
Create a dictionary that contain three dictionaries:
myfamily = {
"child1" : {
"name" : "Emil",
"year" : 2004
},
"child2" : {
"name" : "Tobias",
"year" : 2007
},
"child3" : {
"name" : "Linus",
"year" : 2011
}
}
Try it Yourself »
Or, if you want to add three dictionaries into a new dictionary:
Example
Create three dictionaries, then create one dictionary that will contain the other three dictionaries:
child1 = {
"name" : "Emil",
"year" : 2004
}
child2 = {
"name" : "Tobias",
"year" : 2007
}
child3 = {
"name" : "Linus",
"year" : 2011
}
myfamily = {
"child1" : child1,
"child2" : child2,
"child3" : child3
}
Try it Yourself »
Access Items in Nested Dictionaries
To access items from a nested dictionary, you use the name of the dictionaries, starting with the outer dictionary:
Loop Through Nested Dictionaries
You can loop through a dictionary by using the items() method like this:
Example
Loop through the keys and values of all nested dictionaries:
for x, obj in myfamily.items():
print(x)
for y in obj:
print(y + ':', obj[y])
Try it Yourself »
