The Python Language Reference

1. Introduction
1.1. Alternate Implementations 
1.2. Notation 
2. Lexical analysis
2.1. Line structure 
2.2. Other tokens 
2.3. Identifiers and keywords 
2.4. Literals 
2.5. Operators 
2.6. Delimiters 
3. Data model
3.1. Objects, values and types 
3.2. The standard type hierarchy 
3.3. Special method names 
4. Execution model
4.1. Structure of a program 
4.2. Naming and binding 
4.3. Exceptions 
5. The import system
5.1. importlib 
5.2. Packages 
5.3. Searching 
5.4. Loading 
5.5. The Path Based Finder 
5.6. Replacing the standard import system 
5.7. Special considerations for __main__ 
5.8. Open issues 
5.9. References 
6. Expressions
6.1. Arithmetic conversions 
6.2. Atoms 
6.3. Primaries 
6.4. The power operator 
6.5. Unary arithmetic and bitwise operations 
6.6. Binary arithmetic operations 
6.7. Shifting operations 
6.8. Binary bitwise operations 
6.9. Comparisons 
6.10. Boolean operations 
6.11. Conditional expressions 
6.12. Lambdas 
6.13. Expression lists 
6.14. Evaluation order 
6.15. Operator precedence 
7. Simple statements
7.1. Expression statements 
7.2. Assignment statements 
7.3. The assert statement 
7.4. The pass statement 
7.5. The del statement 
7.6. The return statement 
7.7. The yield statement 
7.8. The raise statement 
7.9. The break statement 
7.10. The continue statement 
7.11. The import statement 
7.12. The global statement 
7.13. The nonlocal statement 
8. Compound statements
8.1. The if statement 
8.2. The while statement 
8.3. The for statement 
8.4. The try statement 
8.5. The with statement 
8.6. Function definitions 
8.7. Class definitions 
9. Top-level components
9.1. Complete Python programs 
9.2. File input 
9.3. Interactive input 
9.4. Expression input 
10. Full Grammar specification