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How to convert first 4 characters of the string p=“11.04GET /update?api_key=Q6YVHKEEEKA” to float in python?

How to convert the first 4 characters of the below string to a float in python?

p="11.04GET /update?api_key=Q6BCBDA"

Thanks

Note that 1st 4 characters is "11.0" if you want "11.04" you need 5 characters

To get substring, you can use p[0:5]

To convert then to float you can use float(p[0:5])

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