How to Count the Number of Times an Item Appears in a List in Python?

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To count the number of times an item appears in a list in Python, you can use the count() method. The count() method is a built-in list method that takes an item as an argument and returns the number of occurrences of that item in the list. Here’s an example:

# Input list
my_list = [1, 2, 3, 4, 3, 2, 1, 5, 6, 7, 6, 5]

# Item to count
item = 3

# Get the count of occurrences of the item in the list
item_count = my_list.count(item)

# Print the result
print("Number of occurrences of", item, "in the list:", item_count)


Number of occurrences of 3 in the list: 2

In this example, the my_list list is the input list in which we want to count the occurrences of the item value, which is set to 3. The count() method is called on my_list with item as the argument, which returns the count of occurrences of item in the list. The resulting count is stored in the variable item_count, and then printed as the final result.

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