Answers for "python check float number is positive"

python check if number is float or int

# check if a number is int or float

isinstance(x, int) # integer
isinstance(x, float) # float

import numbers
isinstance(x, numbers.Integral) # Long Int

check for the negative integers and float

def is_number(n):
    try:
        float(n)   # Type-casting the string to `float`.
                   # If string is not a valid `float`, 
                   # it'll raise `ValueError` exception
    except ValueError:
        return False
    return True