how to calculate number of values appeared in a string of list of lists

a=['1000','10,8,6','9,76,9.0','1,2']

required output

b=[1,3,3,2]

a is in my input, the required output is b how to do it using python

CodePudding user response：

You can use str.split() then with len(list) get what you want.

Try this:

>>> '10,8,6'.split(',')
['10', '8', '6']

>>> len(['10', '8', '6'])
3

>>> a=['1000','10,8,6','9,76,9.0','1,2']
>>> [len(s.split(',')) for s in a]
[1,3,3,2]