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% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
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% Document Info
\author{sahusourabh}
\pdfinfo{
  /Title (iterators-generators-decorators.pdf)
  /Creator (Cheatography)
  /Author (sahusourabh)
  /Subject (ITERATORS GENERATORS DECORATORS Cheat Sheet)
}

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% Header and Footer
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\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{ITERATORS GENERATORS DECORATORS Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{sahusourabh} via \textcolor{DarkBackground}{\uline{cheatography.com/156407/cs/33300/}}}
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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}sahusourabh \\
  \uline{cheatography.com/sahusourabh} \\
  \end{tabulary}
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\columnbreak
\begin{tabulary}{5.8cm}{L}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 22nd July, 2022.\\
   Updated 22nd July, 2022.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
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  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
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\begin{document}
\raggedright
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% Set font size to small. Switch to any value
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% www.emerson.emory.edu/services/latex/latex_169.html
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\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{ITERATORS}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Looping \newline % Row Count 1 (+ 1)
Important functions to be implemented \newline % Row Count 2 (+ 1)
\_\_iter\_\_() \newline % Row Count 3 (+ 1)
\_\_next\_\_() \newline % Row Count 4 (+ 1)
\_\_iter\_\_() : takes iteratable object like list, tuples \newline % Row Count 6 (+ 2)
\_\_next\_\_(): is used to return the next value in iteration% Row Count 8 (+ 2)
} \tn 
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Use of iterators}}  \tn
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\mymulticolumn{1}{p{5.377cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/sahusourabh_1658492865_iter1.JPG}}} \tn 
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Iterators with class}}  \tn
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\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{GENERATORS}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{1. Generator generate one element at a time from a sequence. \newline % Row Count 2 (+ 2)
2. Yield is used to get the value \newline % Row Count 3 (+ 1)
3 It saves the state not like function where once function is called state will be returned to new call% Row Count 6 (+ 3)
} \tn 
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\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{USE}}  \tn
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\mymulticolumn{1}{p{5.377cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/sahusourabh_1658493180_gen1.JPG}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{List Comprehension vs Generation}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Comprehension: all in one go \newline % Row Count 1 (+ 1)
Generation : one by one ...fast% Row Count 2 (+ 1)
} \tn 
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{EXAMPLE}}  \tn
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\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{DECORATORS}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{1. A decorator is a special function which adds some extra functionality to an existing function \newline % Row Count 2 (+ 2)
2. A decorator is a function that accepts a function as a parameter and returns a function. \newline % Row Count 4 (+ 2)
3. Decorators are useful to perform some additional processing required by a function.% Row Count 6 (+ 2)
} \tn 
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\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Want to add addition functionality to function}}  \tn
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\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{@decor}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{showvehicle = decor(showvehicle) instead of this line, you can use @decor% Row Count 2 (+ 2)
} \tn 
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\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}