String Tips
Explore key Python string tips focused on performance. Learn why avoiding redundant str() calls matters, understand different string formatting methods, and discover how f-strings provide the fastest and most versatile way to format strings in Python.
We'll cover the following...
We'll cover the following...
Do not str() a str variable
The str(x) function is a string constructor, converting whatever x is into a string. This function never fails, but doesn’t always do what we expect and isn’t always needed.
- The function is not useful when applied to compound data structures such as lists, dictionaries, sets, and generators. It displays either too many details or too few of them.
- The function also isn’t needed when
xis already a string.
Converting a string to a ...