qcodes/instrument_drivers/rigol/DG4000.py
def is_number(s: str) -> bool:
    """ Test whether a given string can be parsed as a float """
    try:
        float(s)
        return True
    except ValueError:
        return False
 Test whether a given string can be parsed as a float 
Test whether a given string can be parsed as a float
Test whether a given string can be parsed as a float
def is_number(s: str) -> bool:
    try:
        float(s)
        return True
    except ValueError:
        return False
def is_number ( s : str ) -> bool : try : float ( s ) return True except ValueError : return False
Test whether a given string can be parsed as a float
Test whether a given string can be parsed as a float
""" Test whether a given string can be parsed as a float """
s
str