How to identify the float s in Python programming

Answer 1

Check if a variable is of type float:

f = 25.8
print(isinstance(f, float)) # True

Extract float from string:

import re
float_pattern = re.compile(r'(\d+.\d+)')

s = '25.8 is a float'

print(float_pattern.search(s).group(0)) # '25.8'

Answer 2

Can you more elaborate your question?

Answer 3

Explain...