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python remove dict key/values

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FishBrawler answered on December 9, 2019 Popularity 10/10 Helpfulness 3/10

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python remove dict key/values

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# The pop() method can accept either one or two parameters:
# The name of the key you want to remove (mandatory).
# The value that should be returned if a key cannot be found (optional).
dictionary.pop(key_to_remove, not_found)

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Source: careerkarma.com

Tags: python

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Contributed on Nov 03 2021

FishBrawler

0 Answers Avg Quality 2/10

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python remove a key from a dictionary

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# Basic syntax:
del dictionary['key']

# Example usage:
dictionary = {'a': 3, 'b': 2, 'c': 3, 'd': 4, 'e': 5}
del dictionary['c'] # Remove the 'c' key:value pair from dictionary
dictionary
--> {'a': 3, 'b': 2, 'd': 4, 'e': 5}

Popularity 10/10 Helpfulness 6/10 Language python

Source: thispointer.com

Tags: dictionary d

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Contributed on Oct 04 2020

Charles-Alexandre Roy

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python delete key from dict

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del dictionary['key']

Popularity 10/10 Helpfulness 6/10 Language python

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Contributed on Apr 25 2020

Bloody Buffalo

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python remove key from dict

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my_dict.pop('key', None)

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Source: stackoverflow.com

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Contributed on Sep 03 2020

Fair Ferret

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python delete value from dictionary

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dict.pop('key')

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

Popularity 10/10 Helpfulness 4/10 Language python

Source: Grepper

Tags: dictionary d

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Contributed on May 25 2020

MitroGr

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python delete value from dictionary

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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'

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Contributed on May 21 2020

MitroGr

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python delete key from dictionary

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>>> # initialise a dictionary with the keys “city”, “name”, “food”
>>> person1_information = {'city': 'San Francisco', 'name': 'Sam', "food": "shrimps"}

>>> # delete the key, value pair with the key “food”
>>> del person1_information["food"]

>>> # print the present personal1_information. Note that the key, value pair “food”: “shrimps” is not there anymore.
>>> print(person1_information)
{'city': 'San Francisco', 'name': 'Sam'}

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Contributed on Dec 09 2019

Misty Macaw

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delete key value in dictionary python

Comment

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

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Source: stackoverflow.com

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Contributed on Nov 05 2021

barisx

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remove key from dictionary

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if 'key' in my_dict:
    del my_dict['key']

Popularity 10/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: dictionary d

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Contributed on Dec 12 2021

Real Raccoon

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how to remove an element from dictionary using his value python

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-1

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)
--------------------------------------------------------------------------------
OUTPUT
{'one': 1, 'three': 3}

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Source: Grepper

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Contributed on Oct 28 2020

Flipsie the Flipping Dog of doom

0 Answers Avg Quality 2/10

python dictionary delete based on value

Comment

# 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)

Popularity 8/10 Helpfulness 3/10 Language python

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Contributed on May 23 2022

S_Fryer

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python remove dict key/values

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