python how to detect number of items in a list code example

Example 1: python find the number of elements in a list

list1 = [2,3,4,3,10,3,5,6,3]
elm_count = list1.count(3)
print('The count of element: 3 is ', elm_count)

Example 2: count number items in list python

mylist = ["abc", "def", "ghi", "jkl", "mno", "pqr"]

print(len(mylist))

# output 6

Example 3: python how to detect number of items in a list

# List of just integers
list_a = [12, 5, 91, 18]

# List of integers, floats, strings, booleans
list_b = [4, 1.2, "hello world", True]