>>> foo = ['This', 'That', 'Those4423', '42', '13b', 'Yes', '2']
>>> foo1 = [x for x in foo if not any(x1.isdigit() for x1 in x)]
>>> foo
['This', 'That', 'Those4423', '42', '13b', 'Yes', '2']
>>> foo1
['This', 'That', 'Yes']
>>>
However you can use .isalpha()
to check if the string contains alphabetic characters only.
.isaplha()
[x for x in foo if x.isalpha()]