\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{godley}
\pdfinfo{
  /Title (programming.pdf)
  /Creator (Cheatography)
  /Author (godley)
  /Subject (Programming Cheat Sheet)
}

% Lengths and widths
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\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{A3A3A3}
\definecolor{LightBackground}{HTML}{F3F3F3}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Programming Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{godley} via \textcolor{DarkBackground}{\uline{cheatography.com/22754/cs/4738/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}godley \\
  \uline{cheatography.com/godley} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 4th August, 2015.\\
   Updated 13th May, 2016.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\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*}{4}

\begin{tabularx}{3.833cm}{x{0.99557 cm} x{2.43743 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Data types}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{name}} & {\bf{value}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
string & "anything1234!@£\$\%" \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
integer & 1234 \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
float & 1.2345 \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
bool & True/False \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Variable naming rules}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{1. Easy to remember} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{2. Short} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{3. No spaces} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{4. Cannot start with a number} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{5. Can only contain letters, numbers and underscores} \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{p{0.36396 cm} x{1.45584 cm} x{1.2132 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{3.833cm}}{\bf\textcolor{white}{Collections and generics}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Name}} & {\bf{Usage}} & {\bf{Code}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
List & Multiple items in one variable & {[}"apple", "banana", "strawberry"{]} \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Dictionary} & Multiple key-value pairs in one variable & \{"hello": "world"\} \tn 
% Row Count 8 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{0.92691 cm} x{2.50609 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Casting}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{cast}} & {\bf{what it does}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
str() & converts to a string \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
int() & converts to an integer \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
float() & converts to a float \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{3.833cm}}{Casting is used to convert between values. It needs to occur before doing any mathematical calculations with an input() from a user because user input is always strings.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Variable assignment}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{name = "abcdef123" \newline age = 18 \newline height = 3.14} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{0.85825 cm} x{2.57475 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Useful python functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{print("text")} & outputs text to screen \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{input("text")} & prints text and allows input from a user \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{round(3.14)} & rounds a float down to an integer \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.13289 cm} x{2.30011 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Comparators}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{symbol}} & {\bf{meaning}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
== & equal to \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\textgreater{} & larger than \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\textless{} & less than \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\textgreater{}= & larger than or equal \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\textless{}= & less than or equal \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
!= & not equal \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{p{0.3433 cm} x{3.0897 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Boolean operators}}  \tn
% Row 0
\SetRowColor{LightBackground}
and & both values must be true \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
or & either value may be true \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
xor & either value may be true, but not both \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{p{0.6866 cm} x{2.7464 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Arithmetic operators}}  \tn
% Row 0
\SetRowColor{LightBackground}
+ & add \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
- & subtract \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
* & multiply \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
/ & divide \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
** & power \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\% & modulus \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Conditionals}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{value = 3 \newline if value \textless{} 4: \newline         print("less than 4") \newline elif value \textgreater{} 2: \newline         print("larger than 2") \newline else: \newline         print("some other value")} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{else and elif must follow an if. Else cannot come before elif. Whitespace before the print statements indicates they are only to print if the condition is met}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Loops}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{\# infinite loop \newline while True: \newline         print("cheese!") \newline  \newline \# counter loop - 0-9 \newline for i in range(10): \newline         print(i) \newline  \newline \# iterating a list \newline collection = {[}'apple', 'orange', 'banana'{]} \newline for value in collection: \newline         print(value)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}