>>> age = 32 >>> print("Age: " + age) Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: can only concatenate str (not

>>> age = 32 >>> print("Age: " + age) Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: can only concatenate str (not "int") to str >>> print("Age: " + str(age)) Age: 32 As a side note, I always found it amusing that Python is dynamic but doesn't let you do this, while C# has static typing but lets you do string + number. (I looked into it a while back, I think it's because both are Object, so it does operator overloading on Object+Object and then checks the types...)