May 30, 2022 · Today you will learn about how Python handles string formatting, or the art of combining a string with dynamic data in such a way that it is easily legible by either a human reader or an expecting machine.

Python 3 introduced a new way to do string formatting that was later back-ported to Python 2.7. This makes the syntax for string formatting more regular. If your are using Python 3.6+, string f-Strings are the recommended way to format strings. A formatted string literal or f-string is a string literal that is prefixed with `f` or `F`.

Apr 12, 2022 · This is a cheat sheet to string formatting in Python with explanations of each "cheat". Feel free to jump straight to the cheat sheets if that's what you're here for. Not sure what string formatting is?

These format specifications work on strings (str) and most other types (any type that doesn't specify its own custom format specifications). The below modifiers are special syntaxes supported by all object types. Some format specifications are also included to show how to mix and match these syntaxes with the : syntax.

Python String .format() The Python string method .format() replaces empty brace ( {} ) placeholders in the string with its arguments. If keywords are specified within the placeholders, they are replaced with the corresponding named arguments to the method.

Strings prefixed with 'f' or 'F' and containing Python expressions inside curly braces for evaluation at run time. They are more formally known as "formatted string literals" and were introduced with Python 3.6. How are F-Strings Useful?

Apr 20, 2019 · python string formatting with call to .format () "{" [field_name] ["!" conversion] [":" format_spec] "}" arg_name ("." attribute_name | "[" element_index "]")* The replac­eme­nt_­field can start with a field_name to specify the object whose value is to be formatted and inserted. The field_name begins with an arg_name.

Apr 18, 2014 · Formatting Cheat Sheet (string.format): "{" [field_name] ["!" conversion] [":" format_spec] "}" / "r"|"s" \ / (r)epr (s)tr \ arg_name \ | ("."

Python Format Strings. Dash for macOS. Instant access to all the cheat sheets, API docs and snippets you need! Download. Field Width and Alignment 'hey {:10}'.format('hello') Specify width (Aign left, fill with spaces) ... You can modify and improve this cheat sheet ...

string.format (value1, value2...) value1, value2... Required. One or more values that should be formatted and inserted in the string. The values are either a list of values separated by commas, a key=value list, or a combination of both. The values can be of any data type.