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ÕªÒª£º Ó¢ÎÄÎĵµ£º locals() Update and return a dictionary representing the current local symbol table. Free variables are returned by locals() when it is called i ÔĶÁÈ«ÎÄ

ÕªÒª£º Ó¢ÎÄÎĵµ£º class list([iterable]) Rather than being a function, list is actually a mutable sequence type, as documented in Lists and Sequence Types ¡ª list, ÔĶÁÈ«ÎÄ

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ÕªÒª£º Ó¢ÎÄÎĵµ£º iter(object[, sentinel]) Return an iterator object. The first argument is interpreted very differently depending on the presence of the second a ÔĶÁÈ«ÎÄ

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ÕªÒª£º Ó¢ÎÄÎĵµ£º isinstance(object, classinfo) Return true if the object argument is an instance of the classinfo argument, or of a (direct, indirect or virtual) ÔĶÁÈ«ÎÄ

ÕªÒª£º Ó¢ÎÄÎĵµ£º class int(x=0) class int(x, base=10) Return an integer object constructed from a number or string x, or return 0 if no arguments are given. If x ÔĶÁÈ«ÎÄ

ÕªÒª£º Ó¢ÎÄÎĵµ£º input([prompt]) If the prompt argument is present, it is written to standard output without a trailing newline. The function then reads a line f ÔĶÁÈ«ÎÄ

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ÕªÒª£º Ó¢ÎÄÎĵµ£º hex(x) Convert an integer number to a lowercase hexadecimal string prefixed with ¡°0x¡±, for example If x is not a Python int object, it has to de ÔĶÁÈ«ÎÄ

ÕªÒª£º Ó¢ÎÄÎĵµ£º help([object]) Invoke the built-in help system. (This function is intended for interactive use.) If no argument is given, the interactive help s ÔĶÁÈ«ÎÄ

ÕªÒª£º Ó¢ÎÄÎĵµ£º hash(object)Return the hash value of the object (if it has one). Hash values are integers. They are used to quickly compare dictionary keys duri ÔĶÁÈ«ÎÄ

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ÕªÒª£º Ó¢ÎÄÎĵµ£º format(value[, format_spec]) Convert a value to a ¡°formatted¡± representation, as controlled by format_spec. The interpretation of format_spec wi ÔĶÁÈ«ÎÄ

ÕªÒª£º Ó¢ÎÄÎĵµ£º class float([x]) Return a floating point number constructed from a number or string x. If the argument is a string, it should contain a decimal ÔĶÁÈ«ÎÄ