# Creating an empty Dictionary   
Dict = {}   
print("Empty Dictionary: ")   
print(Dict)   
    
# Adding elements to dictionary one at a time   
Dict[0] = 'Peter'  
Dict[2] = 'Joseph'  
Dict[3] = 'Ricky'  
print("\nDictionary after adding 3 elements: ")   
print(Dict)   
    
# Adding set of values    
# with a single Key   
# The Emp_ages doesn't exist to dictionary  
Dict['Emp_ages'] = 20, 33, 24  
print("\nDictionary after adding 3 elements: ")   
print(Dict)   
    
# Updating existing Key's Value   
Dict[3] = 'Coventry'  
print("\nUpdated key value: ")   
print(Dict) 