How can I closely achieve ?: from C++/C# in Python?

Question

In C# I could easily write the following:

string stringValue = string.IsNullOrEmpty( otherString ) ? defaultString : otherString;

Is there a qu

Answer 1

There are a few duplicates of this question, e.g.

• Does Python have a ternary conditional operator?
• What's the best way to replace the ternary operator in Python?

In essence, in a general setting pre-2.5 code should use this:

 (condExp and [thenExp] or [elseExp])[0]

(given condExp, thenExp and elseExp are arbitrary expressions), as it avoids wrong results if thenExp evaluates to boolean False, while maintaining short-circuit evaluation.