how to chage dictionaty in 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: updating a value in dictionary python

dictionary["key"] = newvalue