v1 = 0.00000028v2 = Noneprint(f"v1={v1}, v2={v2}")# v1=2.8e-07, v2=NoneTo print with decimal points without exponential notation
print(f"v1={v1:.8f}, v2={v2}")# v1=0.00000028, v2=NoneSadly, TypeError: unsupported format string passed to NoneType.__format__ is raised when the value is None
print(f"v1={v1:.8f}, v2={v2:.8f}")To handle formating of float value which could be None as well.
def f(v): if v is None: return v return f"{v:.08f}"print(f"v1={f(v1)}, v2={f(v2)}")# v1=0.00000028, v2=None