Python Program to Add Elements to a Dictionary

# Initializing an empty Dictionary  
Dictionary = {}  
print("The empty Dictionary: ")  
print(Dictionary)  
   
# Inserting key:value pairs one at a time  
Dictionary[0] = 'Javatpoint'  
Dictionary[2] = 'Python'  
Dictionary.update({ 3 : 'Dictionary'})  
print("\nDictionary after addition of these elements: ")  
print(Dictionary)  
   
# Adding a list of values to a single key  
Dictionary['list_values'] = 3, 4, 6  
print("\nDictionary after addition of the list: ")  
print(Dictionary)  
   
# Updating values of an already existing Key  
Dictionary[2] = 'Tutorial'  
print("\nUpdated dictionary: ")  
print(Dict)  
   
# Adding a nested Key to our dictionary  
Dictionary[5] = {'Nested_key' :{1 : 'Nested', 2 : 'Key'}}  
print("\nAfter addtion of a Nested Key: ")  
print(Dictionary)  

Output:

The empty Dictionary: 
{}

Dictionary after addition of these elements: 
{0: 'Javatpoint', 2: 'Python', 3: 'Dictionary'}

Dictionary after addition of the list: 
{0: 'Javatpoint', 2: 'Python', 3: 'Dictionary', 'list_values': (3, 4, 6)}

Updated dictionary: 
{1: 'Javatpoint', 2: 'Python'}

After addtion of a Nested Key: 
{0: 'Javatpoint', 2: 'Tutorial', 3: 'Dictionary', 'list_values': (3, 4, 6), 5: {'Nested_key': {1: 'Nested', 2: 'Key'}}}