count Examples

The general syntax for this method is:

list_name.count(search_value)

count returns the number of times search_value occurs in list_name. search_value may be of any data type.

If no element in the list matches search_value, then count returns 0.

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numbers = [8, 1, 10, 2, 6, 4, 4, 1, 3, 1]
words = ['apple', 'pear', 'banana']

print(numbers.count(1))
print(words.count('ear'))

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Note that count() searches for the EXACT value placed in the (). The method does NOT search for substrings within any element. Even though pear contains the substring 'ear', the two values are different.

Search Part of a List

By taking a slice, count can search a smaller part of a list:

list_name[start_index : end_index].count(search_value)

Written this way, the method searches list_name from start_index up to but NOT including end_index.

numbers = [8, 1, 10, 2, 6, 4, 4, 1, 3, 1]

print(numbers[0:3].count(1))  # Searches the slice [8, 1, 10]

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