how to find a number in a list of numbers python 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: how to find the amount of numbers in a list on python

>>> someList=[]
>>> print len(someList)
0