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ZBINARYZSHIFTINGr# r r Z ASSERTIONZ ASSIGNMENTr" ZDELETIONZ RETURNINGZ IMPORTINGZ CONDITIONALZLOOPINGr Z DEBUGGINGZCONTEXTMANAGERSNc C s || _ || _d S )N)_input_output)r> inputr r r r rz 0 s zHelper.__init__c C s | j p tjS )N)r r r )r> r r r rr 4 s zHelper. c C s | j p tjS )N)r r r )r> r r r rr 5 s c C s2 t j d d dkr | dS d| jj| jjf S )Nr r0 ?r z<%s.%s instance>)r stackr r& r[ )r> r r r __repr__7 s zHelper.__repr__c C s6 || j k r| j| n | j | j | jjd d S )Na You are now leaving help and returning to the Python interpreter. If you want to ask for help on a particular object directly from the interpreter, you can type "help(object)". Executing "help('string')" has the same effect as typing a particular string at the help> prompt. )_GoInteractiver introinteractr r )r> requestr r r __call__? s zHelper.__call__c C s | j jd xy| jd}|s P W n ttfk r< P Y nX |j }t|dkr|d |d kold kn r|d |dd kr|dd }|j dkrP |d kr| j q| j | qW d S )Nr zhelp> r r r r r r quitr r )r r r r )r r ) r r getliner EOFErrorr r r r r )r> r r r r r L s" , zHelper.interactc C s8 | j tjkrt |S | jj| | jj | j j S d S )N)r r r r r r r )r> promptr r r r a s zHelper.getlinec C s< t |t dkr|j }|dkr,| j n|dkr>| j n|dkrP| j n|dkrb| j n|d d dkr| j|j d n|| jkr| j| nj|dkrt t |d nR|| j kr| j | n<|| j kr| j | n&|rt |d | jd nt td | jd n$t|tr | nt |d | jd | jjd d S )Nr keywordssymbolstopicsr zmodules r r r r z Help on %s:)r r )r r r )r r listkeywords listsymbols listtopics listmodulesr r showsymbolr" evalr showtopicr r r7 r r r r )r> r r r r r j s6 z Helper.helpc C s$ | j jdjdtjd d d S )Na Welcome to Python {0}'s help utility! If this is your first time using Python, you should definitely check out the tutorial on the Internet at https://docs.python.org/{0}/tutorial/. Enter the name of any module, keyword, or topic to get help on writing Python programs and using Python modules. To quit this help utility and return to the interpreter, just type "quit". To get a list of available modules, keywords, symbols, or topics, type "modules", "keywords", "symbols", or "topics". Each module also comes with a one-line summary of what it does; to list the modules whose name or summary contain a given string such as "spam", type "modules spam". z%d.%dr )r r r r r )r> r r r r s z Helper.intror P c C s t t|}|| }t|| d | }xt|D ]z}xht|D ]\}|| | }|t|k r@| jj|| ||d k r@| jjdd|d t|| q@W | jjd q2W d S )Nr r r )r sortedr r r r ) r> itemscolumnsr Zcolwr rowr rl r r r r s (z Helper.listc C s | j jd | j| jj d S )NzN Here is a list of the Python keywords. Enter any keyword to get more help. )r r r r rD )r> r r r r s zHelper.listkeywordsc C s | j jd | j| jj d S )Nzx Here is a list of the punctuation symbols which Python assigns special meaning to. Enter any symbol to get more help. )r r r r rD )r> r r r r s zHelper.listsymbolsc C s | j jd | j| jj d S )NzN Here is a list of available topics. Enter any topic name to get more help. )r r r r rD )r> r r r r s zHelper.listtopicsc C s, y dd l }W n tk r, | jjd d S X | jj|| jj|}|s`| jjdt| d S t|tdkr|| j ||S |\}}y|jj| }W n( t k r | jjdt| d S X |j d }|r|pdd | }|r dd l }ddj |j d } |j| d } |d dj | 7 }t| d S ) Nr zt Sorry, topic and keyword documentation is not available because the module "pydoc_data.topics" could not be found. z no documentation found for %s r r r zRelated help topics: z, H z %s )pydoc_data.topicsr r r r ro r r r r KeyErrorr textwrapr! r wrapr ) r> topic more_xrefs pydoc_datatargetlabelxrefsr" r r. Z wrapped_textr r r r s6 zHelper.showtopicc C s y dd l }W n tk r dS X | jj|| jj|}|sDtdt|trZ| j||S |\}}|jj| }|r|pxdd | }||fS )Nr t Sorry, topic and keyword documentation is not available because the module "pydoc_data.topics" could not be found. r zcould not find topicr )r r ) r r r ro r re r r7 _gettopic)r> r r r r r r r" r r r r s zHelper._gettopicc C s* | j | }|jd\}}}| j|| d S )Nr )r partitionr )r> symbolr r r_ r r r r r s zHelper.showsymbolc sv |r | j jdj| t| nR| j jd i }|fdd fdd}t j |d | j|j | j jd d S ) Nzy Here is a list of modules whose name or summary contains '{}'. If there are any, enter a module name to get more help. zI Please wait a moment while I gather a list of all available modules... c S s> |r$|dd dkr$|d d d }|j ddk r:d||< d S ) N z .__init__z (package)r r r ii)find)r r' r r r r r callback s z$Helper.listmodules. .callbackc s d | d d S )Nr )r' )r r r onerror s z#Helper.listmodules. .onerror)r z Enter any module name to get more help. 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