Python – Elements frequency in Tuple

Given a Tuple, find frequency of each element.

Input : test_tup = (4, 5, 4, 5, 6, 6, 5)
Output : {4: 2, 5: 3, 6: 2}
Explanation : Frequency of 4 is 2 and so on..

Input : test_tup = (4, 5, 4, 5, 6, 6, 6)
Output : {4: 2, 5: 2, 6: 3}
Explanation : Frequency of 4 is 2 and so on..

Method #1  Using defaultdict()

In this, we perform task of getting all elements and assigning frequency using defauldict which maps each element with key and then frequency can be incremented.



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# Python3 code to demonstrate working of 
# Elements frequency in Tuple
# Using defaultdict()
from collections import defaultdict
  
# initializing tuple
test_tup = (4, 5, 4, 5, 6, 6, 5, 5, 4)
  
# printing original tuple
print("The original tuple is : " + str(test_tup))
  
res = defaultdict(int)
for ele in test_tup:
      
    # incrementing frequency
    res[ele] += 1
  
# printing result 
print("Tuple elements frequency is : " + str(dict(res))) 

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Output

The original tuple is : (4, 5, 4, 5, 6, 6, 5, 5, 4)
Tuple elements frequency is : {4: 3, 5: 4, 6: 2}

Method #2 : Using Counter()

This is straight forward way to solve this problem. In this, we just employ this function and it returns frequency of elements in container, in this case tuple.

Python3

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# Python3 code to demonstrate working of 
# Elements frequency in Tuple
# Using Counter()
from collections import Counter
  
# initializing tuple
test_tup = (4, 5, 4, 5, 6, 6, 5, 5, 4)
  
# printing original tuple
print("The original tuple is : " + str(test_tup))
  
# converting result back from defauldict to dict 
res = dict(Counter(test_tup))
  
# printing result 
print("Tuple elements frequency is : " + str(res)) 

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Output

The original tuple is : (4, 5, 4, 5, 6, 6, 5, 5, 4)
Tuple elements frequency is : {4: 3, 5: 4, 6: 2}

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