dict_1 = {"1":"a", "2":"b", "3":"c"}
dict_2 = {"4":"d", "5":"e", "6":"f"}
dict_1.update(dict_2)
print(dict_1)
#Output = {"1":"a", "2":"b", "3":"c", "4":"d", "5":"e", "6":"f"}d = {'key':'value'}
print(d)
# {'key': 'value'}
d['mynewkey'] = 'mynewvalue'
print(d)
# {'mynewkey': 'mynewvalue', 'key': 'value'}
dict = {1 : 'one', 2 : 'two'}
# Print out the dict
print(dict)
# Add something to it
dict[3] = 'three'
# Print it out to see it has changed
print(dict)d = {1:2}
d.update({2: 4})
print(d) # {1: 2, 2: 4}key = "somekey"
a.setdefault(key, [])
a[key].append(2)
# empty dictionary
dictionary = {}
# lists
list_1 = [1, 2, 3, 4, 5]
list_2 = ["e", "d", "c", "b", "a"]
# populate a dictionary.
for key, value in zip(list_1, list_2):
dictionary[key] = value
# original
print(f"Original dictionary: {dictionary}")
# Add new item to the dictionary
dictionary[6] = "f"
# Updated dictionary
print(f"updated dictionary: {dictionary}")