PYTHON

python change a key in a dictionary

# Basic syntax:
# Approach 1:
dictionary[new_key] = dictionary[old_key]
del dictionary[old_key]

# Approach 2:
dictionary[new_key] = dictionary.pop(old_key)

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'

change key of dictionary python

>>> dictionary = { 1: 'one', 2:'two', 3:'three' }
>>> dictionary['ONE'] = dictionary.pop(1)
>>> dictionary
{2: 'two', 3: 'three', 'ONE': 'one'}
>>> dictionary['ONE'] = dictionary.pop(1)
Traceback (most recent call last):
  File "<input>", line 1, in <module>
KeyError: 1

how to change values of dictionary in python

python = {
  "year released": 2001,
  "creater":"Guido Van Rossum"
}
print(python)
python["year released"] = 1991
print(python)

python change dictionary key

dictionary[new_key] = dictionary[old_key]
del dictionary[old_key]

updating a value in dictionary python

dictionary["key"] = newvalue

update a value in dict ython

d = {1: "one", 2: "three"}
d1 = {2: "two"}

# updates the value of key 2
d.update(d1)

#Output
{1: 'one', 2: 'two'}