update dict value python code example
Example 1: change dictionary value python
my_dict = {
'foo': 42,
'bar': 12.5
}
my_dict['foo'] = "Hello"
print(my_dict['foo'])
#This will give the output:
'Hello'
Example 2: python dict update
d = {1: "one", 2: "three"}
d1 = {2: "two"}
# updates the value of key 2
d.update(d1)
d1 = {3: "three"}
# adds element with key 3
d.update(d1)
# {1: 'one', 2: 'two', 3: 'three'}
Example 3: how to update dictionary in python
>> a = { "a" : 1, "b" : 2 }
>> b = { "c" : 3, "d" : 4 }
>> a
{'a': 1, 'b': 2}
>> b
{'c': 3, 'd': 4}
>> a.update(b)
>>a
{"a":1,"b":2,"c":3,"d":4}
Example 4: updating a value in dictionary python
dictionary["key"] = newvalue