PYTHON

python delete value from dictionary

dict.pop('key')

#optionally you can give value to return if key doesn't exist (default is None)
dict.pop('key', 'key not found')

python delete value from dictionary

dict = {'an':30, 'example':18}
#1 Del
del dict['an']

#2 Pop (returns the value deleted, but can also be used alone)
#You can optionally set a default return value in case key is not found
dict.pop('example') #deletes example and returns 18
dict.pop('test', 'Key not found') #returns 'Key not found'

delete key value in dictionary python

del d[key]  # no returns
d.pop(key)  # this returns value

python dictionary delete by value

myDict = {key:val for key, val in myDict.items() if val != deletevalue}

how to remove an element from dictionary using his value python

a_dictionary = {"one": 1, "two" : 2, "three": 3}

desired_value = 2
for key, value in a_dictionary.items():
  if value == desired_value:
    del a_dictionary[key]
    break

print(a_dictionary)
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OUTPUT
{'one': 1, 'three': 3}

python dictionary delete based on value

# empty dictionary
dictionary = {}
# lists
list_1 = [1, 2, 3, 4, 5]
list_2 = ["a", "b", "c", "d", "e"]
# populate a dictionary.
for key, value in zip(list_1, list_2):
    dictionary[key] = value
# output
print(dictionary)

# Item to delete
item_1 = "c"

# Delete item from dictionary - based on values specified
for key, value in dictionary.items():
    if value == item_1:
        dictionary.pop(key)
        break

print(dictionary)