Question

How to count the occurrences of all items of list in a tuple with Python

Answer 1

def count_occurrences(tpl, lst): 
    count = 0
    for item in tpl: 
        if item in lst: 
            count += 1
      
    return count  


tpl = (1, 2, 4, 3, 2, 1, 1, 1, 5, 6, 7, 2, 8, 9, 9) 
lst = [1, 2] 
print(count_occurrences(tpl, lst)) 



'''
run:

7

'''

 

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Answer 2

def count_occurrences(tpl, lst): 
    st = set(lst) 
    return sum(1 for n in tpl if n in st) 


tpl = (1, 2, 4, 3, 2, 1, 1, 1, 5, 6, 7, 2, 8, 9, 9) 
lst = [1, 2] 
print(count_occurrences(tpl, lst)) 



'''
run:

7

'''

 

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