Python | Get the number of keys with given value N in dictionary

In this article, we will see how to get the number of keys with some given value N in a given dictionary. There are multiple methods to do this task. Let’s see them with help of examples.

Simple method –

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# Python3 code to Get the number of keys
# with given value N in dictionary
  
# Initialize dictionary 
test_dict = {'gfg' : 1, 'is' : 2, 'best' : 3, 'for' : 2, 'CS' : 2} 
  
  
# printing original dictionary 
print("The original dictionary : " + str(test_dict)) 
  
# Initialize value 
N = 2
  
# Using loop 
# Selective key values in dictionary 
res = 0
for key in test_dict: 
    if test_dict[key] == N: 
        res = res + 1
      
# printing result 
print("Frequency of N is : " + str(res)) 

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Output: 




The original dictionary : {'CS': 2, 'for': 2, 'is': 2, 'gfg': 1, 'best': 3}
Frequency of N is : 3



Method #2: Using sum() + values()











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# Python3 code to Get the number of keys 


# with given value N in dictionary 


# Using sum() + values()  


  


# Initialize dictionary  


test_dict = {'gfg' : 1, 'is' : 2, 'best' : 3, 'for' : 2, 'CS' : 2}  


  


# printing original dictionary  


print("The original dictionary : " + str(test_dict))  


  


# Initialize value  


N = 2


  


# Using sum() + values()  


# Selective key values in dictionary 


res = sum(x == N for x in test_dict.values())  


      


# printing result  


print("Frequency of K is : " + str(res))  



















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Output: 


The original dictionary : {'is': 2, 'for': 2, 'gfg': 1, 'best': 3, 'CS': 2}
Frequency of K is : 3






    

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