Python count occurrences in list of lists code example

Example 1: python count matching elements in a list

# Basic syntax:
sum(1 for item in your_list if item == "some_condition")
# This counts the items in your_list for which item == "some_condition"
#	is true. Of course, this can be changed to any conditional statement

Example 2: python count occurrences of an item in a list

>>> [1, 2, 3, 4, 1, 4, 1].count(1)
3