In Python, how do I convert all of the items in a list to floats?
Posted By: snk
I have a script which reads a text file, pulls decimal numbers out of it as strings and places them into a list.
So I have this list:
['0.49', '0.54', '0.54', '0.54', '0.54', '0.54', '0.55', '0.54', '0.54', '0.54',
'0.55', '0.55', '0.55', '0.54', '0.55', '0.55', '0.54', '0.55', '0.55', '0.54']
How do I convert each of the values in the list from a string to a float?
I have tried:
for item in list:
float(item)
But this doesn’t seem to work for me.
Solution
[float(i) for i in lst]
to be precise, it creates a new list with float values. Unlike the map
approach it will work in py3k.
Answered By: Anonymous
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