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))get dictionary value in python
my_dict = {'a': 1, 'b': 2, 'c': 3}
# keys = list(item.keys())
# the upper commented code give the list of the keys.
keys = ['a', 'b', 'c', 'd'] # if some body give the list of the keys that wasn't match with my_dict
for key in keys:
print(my_dict.get(key, 'default value when key not exist'))
"""output:
1
2
3
default value when key not exist
"""Copyright © 2021 Codeinu
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