python replace value with dictionary 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 replace by dictionary

address = "123 north anywhere street"

for word, initial in {"NORTH":"N", "SOUTH":"S" }.items():
    address = address.replace(word.lower(), initial)
print address