This document proposes to lift some of the restrictions originally formulated in PEP 498 and to provide a formalized grammar for f-strings that can be integrated into the parser directly. The proposed syntactic formalization of f-strings will have some ...| Python Enhancement Proposals (PEPs)
Source code: Lib/shlex.py The shlex class makes it easy to write lexical analyzers for simple syntaxes resembling that of the Unix shell. This will often be useful for writing minilanguages, (for e...| Python documentation
Source code: Lib/operator.py The operator module exports a set of efficient functions corresponding to the intrinsic operators of Python. For example, operator.add(x, y) is equivalent to the expres...| Python documentation
This PEP introduces template strings for custom string processing.| Python Enhancement Proposals (PEPs)
Python supports multiple ways to format text strings. These include %-formatting 1, str.format() 2, and string.Template 3. Each of these methods have their advantages, but in addition have disadvantages that make them cumbersome to use in practice. This...| Python Enhancement Proposals (PEPs)
This PEP proposes a new system for built-in string formatting operations, intended as a replacement for the existing ‘%’ string formatting operator.| Python Enhancement Proposals (PEPs)
The following sections describe the standard types that are built into the interpreter. The principal built-in types are numerics, sequences, mappings, classes, instances and exceptions. Some colle...| Python documentation
Source code: Lib/os.py This module provides a portable way of using operating system dependent functionality. If you just want to read or write a file see open(), if you want to manipulate paths, s...| Python documentation
Source code: Lib/subprocess.py The subprocess module allows you to spawn new processes, connect to their input/output/error pipes, and obtain their return codes. This module intends to replace seve...| Python documentation
The Python interpreter has a number of functions and types built into it that are always available. They are listed here in alphabetical order.,,,, Built-in Functions,,, A, abs(), aiter(), all(), a...| Python documentation