A Python dictionary is a fast ... as you’ll see later on. Any mutable Python object doesn’t have a consistent hash value over its lifetime, and so can’t be used as a key.

The first reason is for efficiency. If Python already knows that the value of integers won’t be modified it can pre-allocate memory to smaller integers. The second, is integers are used as dictionary ...

Python classifies its data types into mutable and immutable ... as such strings are often used in code (e.g., variable names, dictionary keys). Mutable objects are typically slower to read but quicker ...

python 3.6 versiyasından etibarən, dictionary mutable tipdir. Yəni onun hansısa elementini proqramın gedişatı zamanı dəyişdirmək mümkündür. Dictionary-lər key və value-lardan ibarət olurlar. Məsələn ...