test_types
6. Built-in types
6.1 Truth value testing
6.2 Boolean operations
6.3 Comparisons
6.4 Numeric types (mostly conversions)
6.4.1 32-bit integers
6.4.2 Long integers
6.4.3 Floating point numbers
6.5 Sequence types
6.5.1 Strings
6.5.2 Tuples
6.5.3 Lists
6.5.3a Additional list operations
6.6 Mappings == Dictionaries
