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Code: Alles auswählen

>>> list1 = [1, 2,4, 9, 3, 5]
>>> max(list1)
9
>>> 

Code: Alles auswählen

#was ist augenblicklich im Namespace?
>>> dir()
['__builtins__', '__doc__', '__file__', '__name__']
# nicht so furchtbar viel, aber was kann denn eine Liste?
>>> dir(list())
['__add__', '__class__', '__contains__', '__delattr__', '__delitem__', '__delslice__',
 '__doc__', '__eq__', '__ge__', '__getattribute__', '__getitem__', '__getslice__',
 '__gt__', '__hash__', '__iadd__', '__imul__', '__init__', '__iter__', '__le__',
 '__len__', '__lt__', '__mul__', '__ne__', '__new__', '__reduce__',
 '__reduce_ex__', '__repr__', '__reversed__', '__rmul__', '__setattr__',
 '__setitem__', '__setslice__', '__str__', 'append', 'count', 'extend', 'index', 'insert',
 'pop', 'remove', 'reverse', 'sort']
# hm, das geht auch bei anderen (importierten) Objekten: dir(object)
# und was geben die builtins her?
>>> dir(__builtins__)
['ArithmeticError', 'AssertionError', 'AttributeError', 'DeprecationWarning', 'EOFError',
 'Ellipsis', 'EnvironmentError', 'Exception', 'False', 'FloatingPointError',
 'FutureWarning', 'IOError', 'ImportError', 'IndentationError', 'IndexError', 'KeyError',
 'KeyboardInterrupt', 'LookupError', 'MemoryError', 'NameError', 'None',
 'NotImplemented', 'NotImplementedError', 'OSError', 'OverflowError', 'OverflowWarning',
 'PendingDeprecationWarning', 'ReferenceError', 'RuntimeError', 'RuntimeWarning',
 'StandardError', 'StopIteration', 'SyntaxError', 'SyntaxWarning', 'SystemError',
 'SystemExit', 'TabError', 'True', 'TypeError', 'UnboundLocalError', 'UnicodeDecodeError',
 'UnicodeEncodeError', 'UnicodeError', 'UnicodeTranslateError', 'UserWarning',
 'ValueError', 'Warning', 'ZeroDivisionError', '_', '__debug__', '__doc__', '__import__',
 '__name__', 'abs', 'apply', 'basestring', 'bool', 'buffer', 'callable', 'chr', 'classmethod',
 'cmp', 'coerce', 'compile', 'complex', 'copyright', 'credits', 'delattr', 'dict', 'dir', 'divmod',
 'enumerate', 'eval', 'execfile', 'exit', 'file', 'filter', 'float', 'frozenset', 'getattr', 'globals',
 'hasattr', 'hash', 'help', 'hex', 'id', 'input', 'int', 'intern', 'isinstance', 'issubclass', 'iter',
 'len', 'license', 'list', 'locals', 'long', 'map', 'max', 'min', 'object', 'oct', 'open', 'ord', 'pow',
 'property', 'quit', 'range', 'raw_input', 'reduce', 'reload', 'repr', 'reversed', 'round', 'set',
 'setattr', 'slice', 'sorted', 'staticmethod', 'str', 'sum', 'super', 'tuple', 'type', 'unichr',
 'unicode', 'vars', 'xrange', 'zip']
# verdammt viel, sogar max() ist dabei
# und was kann es, wie funktioniert es?
>>> print max.__doc__
max(sequence) -> value
max(a, b, c, ...) -> value

With a single sequence argument, return its largest item.
With two or more arguments, return the largest argument.
# oder 
>>> help(max)