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))search in dict python
dictionary = { "key1" : 1, "name" : "Jordan", "age" : 21 }
for key in dictionary.keys():
print("the key is {} and the value is {}".format(key, dictionary[key]))
# or print("the key is",key,"and the value is",dictionary[key])
# OUTPOUT
# the key is key1 and the value is 1
# the key is name and the value is Jordan
# the key is age and the value is 21find 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 a key in a dictionary python
# How to find a key / check if a key is in a dict
# Easiest way
fruits = {'apple': 2, 'pear': 5, 'strawberry': 3}
if 'apple' in fruits:
print("Key found!")
else:
print("Key not found!")find key by value python
print(list(d.keys())[list(d.values()).index(990)])Copyright © 2021 Codeinu
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