Answers for "python dictionary remove key and value"

20

python remove a key from a dictionary

# 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}
Posted by: Guest on October-04-2020
4

delete a key value pair from a dictionary in python

mydict = {'score1': 41, 'score2': 23, 'score3': 45}

del mydict['score2']
print(mydict)
{'score1': 41, 'score3': 45}
Posted by: Guest on May-14-2020
2

python remove key from dict

my_dict.pop('key', None)
Posted by: Guest on September-03-2020
4

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'
Posted by: Guest on May-21-2020
-1

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)
--------------------------------------------------------------------------------
OUTPUT
{'one': 1, 'three': 3}
Posted by: Guest on October-28-2020
0

python dictionary delete by value

myDict = {key:val for key, val in myDict.items() if val != deletevalue}
Posted by: Guest on March-15-2020

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