len python 3

1mystring = 'Hello'
2#Counts the amount of letters in the string
3len(mystring)	# = 5	
4
5#Can also count the number of items in a list
6mylist = ['Hello', 'Goodbye', 'Morning']
7len(mylist)		# = 3

1len(s)

1len(list) # returns the length of a list, tuple, string, etc.