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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{MrDeniz (papapadzul)}
\pdfinfo{
  /Title (loop-python.pdf)
  /Creator (Cheatography)
  /Author (MrDeniz (papapadzul))
  /Subject (Loop - Python Cheat Sheet)
}

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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{Loop - Python Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{MrDeniz (papapadzul)} via \textcolor{DarkBackground}{\uline{cheatography.com/68635/cs/18057/}}}
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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}MrDeniz (papapadzul) \\
  \uline{cheatography.com/papapadzul} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 17th November, 2019.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
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\columnbreak
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  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
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\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{The range() Function}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{range(10) \newline -{}-{}-{}-- \newline list(range(10)) \newline -{}-{}-{}-- \newline range(4,10) \newline -{}-{}-{}-- \newline list(range(4,10)) \newline -{}-{}-{}-- \newline \#range(begin,end, step) \newline list(range(4,50,5))} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{The built-in function range() is the right function to iterate over a sequence of numbers. It generates an iterator of arithmetic progressions:}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{The "for" loop}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{primes = {[}2, 3, 5, 7{]} \newline for prime in primes: \newline     print(prime) \newline -{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{For loops can iterate over a sequence of numbers using the "range" and "xrange" functions. The difference between range and xrange is that the range function returns a new list with numbers of that specified range, whereas xrange returns an iterator, which is more efficient. (Python 3 uses the range function, which acts like xrange). Note that the range function is zero based.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{loop1.py}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\# Prints out the numbers 0,1,2,3,4 \newline for x in range(5): \newline     print(x) \newline  \newline \# Prints out 3,4,5 \newline for x in range(3, 6): \newline     print(x) \newline  \newline \# Prints out 3,5,7 \newline for x in range(3, 8, 2): \newline     print(x)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{"while" loops}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\# Prints out 0,1,2,3,4 \newline  \newline count = 0 \newline while count \textless{} 5: \newline     print(count) \newline     count += 1  \# This is the same as count = count + 1} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{While loops repeat as long as a certain boolean condition is met.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{"break" and "continue" statements}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\# Prints out 0,1,2,3,4 \newline  \newline count = 0 \newline while True: \newline     print(count) \newline     count += 1 \newline     if count \textgreater{}= 5: \newline         break \newline  \newline \# Prints out only odd numbers - 1,3,5,7,9 \newline for x in range(10): \newline     \# Check if x is even \newline     if x \% 2 == 0: \newline         continue \newline     print(x)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{break is used to exit a for loop or a while loop, whereas continue is used to skip the current block, and return to the "for" or "while" statement.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{can we use "else" clause for loops}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\# Prints out 0,1,2,3,4 and then it prints "count value reached 5" \newline  \newline count=0 \newline while(count\textless{}5): \newline     print(count) \newline     count +=1 \newline else: \newline     print("count value reached \%d" \%(count)) \newline  \newline \# Prints out 1,2,3,4 \newline for i in range(1, 10): \newline     if(i\%5==0): \newline         break \newline     print(i) \newline else: \newline     print("this is not printed because for loop is terminated because of break but not due to fail in condition")} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{We can use else for loops. When the loop condition of "for" or "while" statement fails then code part in "else" is executed. If break statement is executed inside for loop then the "else" part is skipped. Note that "else" part is executed even if there is a continue statement.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}