how to get the key for a value in a dictionary in python
# function to return key for any value
def get_key(val):
for key, value in my_dict.items():
if val == value:
return key
return "key doesn't exist"
# Driver Code
my_dict ={"java":100, "python":112, "c":11}
print(get_key(100))
print(get_key(11))how to get key of a particular value in dictionary python using index
mydict = {'george': 16, 'amber': 19}
print(list(mydict.keys())[list(mydict.values()).index(16)]) # Prints georgepython get value from dictionary
dict = {'color': 'blue', 'shape': 'square', 'perimeter':20}
dict.get('shape') #returns square
#You can also set a return value in case key doesn't exist (default is None)
dict.get('volume', 'The key was not found') #returns 'The key was not found'find value in dictionary python
k = {1:10,2:20,3:30,4:40}
#idea : print([5,6,7,8][[12,15,47,45].index(15)])
b = list(k.keys())[list(k.values()).index(20)] #find index of 20 => return 2find key by value python
print(list(d.keys())[list(d.values()).index(990)])Copyright © 2021 Codeinu
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