* main:  Improve stats presentation for calls. (pythonGH-100274)  Better stats for `LOAD_ATTR` and `STORE_ATTR` (pythonGH-100295)pythongh-81057: Move the Cached Parser Dummy Name to _PyRuntimeState (python#100277)  Document that zipfile's pwd parameter is a `bytes` object (python#100209)pythongh-99767: mark `PyTypeObject.tp_watched` as internal use only in table (python#100271)  Fix typo in introduction.rst (python#100266)pythongh-78997: AttributeError if loading fails in LibraryLoader.__getattr__pythonGH-100234: Set a default value for random.expovariate() (pythonGH-100235)  Remove uninformative itertools recipe (pythonGH-100253)pythonGH-99767: update PyTypeObject docs for type watchers (pythonGH-99928)  Move stats for the method cache into the `Py_STAT` machinery (pythonGH-100255)pythonGH-100222: fix typo _py_set_opocde -> _py_set_opcode (pythonGH-100259)pythonGH-100000: Cleanup and polish various watchers code (pythonGH-99998)pythongh-90111: Minor Cleanup for Runtime-Global Objects (pythongh-100254)