I was always puzzled by Python's insistence to forego string interpolation until the latest version. Runtime string formatting, even if done safely (e.g. .NET'

I was always puzzled by Python's insistence to forego string interpolation until the latest version. Runtime string formatting, even if done safely (e.g. .NET's String.Format() which doesn't have property access AFAIK), can still cause unexpected exceptions at the very least, and suffers from inferior performance.