\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{KYS1477}
\pdfinfo{
  /Title (python-cheatsheet.pdf)
  /Creator (Cheatography)
  /Author (KYS1477)
  /Subject (Python Cheatsheet Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\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}{41A399}
\definecolor{LightBackground}{HTML}{F3F9F8}
\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{Python Cheatsheet Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{KYS1477} via \textcolor{DarkBackground}{\uline{cheatography.com/186487/cs/38976/}}}
\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}KYS1477 \\
  \uline{cheatography.com/kys1477} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 14th April, 2024.\\
   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*}{2}

\begin{tabularx}{8.4cm}{x{2.56 cm} x{5.44 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Useful Shortcuts}}  \tn
% Row 0
\SetRowColor{LightBackground}
Control Q & access documentation \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Control D & duplicate code block \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
dir() & see the list of methods \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Tab (in Git bash) & to toggle the files in the directory \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.72 cm} x{3.28 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Useful OS commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
os.getcwd() & get current directory \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
os.chdir('path') & change directory \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{os.listdir('folder\_path')} & list directory \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
os.path.join('path1', 'path2') & join file path \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{5.52 cm} x{2.48 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Set up Env}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{conda env create -{}-prefix P:\textbackslash{}env\textbackslash{}myenv -{}-file='P:\textbackslash{}filepath\textbackslash{}env.yml'} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
conda create env\_name & create a new env \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{pip install -r "P:\textbackslash{}filepath\textbackslash{}requirements.txt"} \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
pip install 'P:\textbackslash{}filepath\textbackslash{}package.whl' -{}-force-reinstall & reinstall whl file \tn 
% Row Count 8 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Pandas Display}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{pd.set\_option('display.max\_colwidth'}, 10\_000)} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{pd.set\_option('display.max\_rows'}, 1000)} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{ps.set\_option('display.max\_columns'}, 100)} \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Neat Functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
{[}function(i) for i in list if logic\_expression{]} & list comprehension \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
lambda arguments: expression \{\{nl\}\}(e.g.) x = lambda a, b : a * b \{\{nl\}\}print(x(5, 6)) & a lambda function is a small anonymous function \tn 
% Row Count 8 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.8 cm} x{3.2 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Explore data}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{df.col.describe()} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
df.col.value\_counts() & normalize=True \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Reshape dataframe}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{df.groupby('col1').col2.count()} & count / sum / min / max / mean \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{8.4cm}}{df.groupby({[}'col1', 'col2'{]}).{[}'col3', 'col4'{]}.count()} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{df1 = df.groupby('col').agg(\{'value1':{[}'min','max'{]}, 'value2':{[}'mean'{]}\})} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{8.4cm}}{df.pivot\_table({\bf{index}}='col1', {\bf{columns}}='col2', {\bf{values}}={[}'col3', 'col4'{]}, {\bf{aggfunc}}=\{'col3':np.mean, 'col4':{[}min, max{]}\})} \tn 
% Row Count 9 (+ 3)
% Row 4
\SetRowColor{LightBackground}
{\emph{df1.columns = {[}'\_'.join(col) for col in df1.columns{]} }} & to flatten multi index df after groupby / pivot \tn 
% Row Count 12 (+ 3)
% Row 5
\SetRowColor{white}
df1.merge(df2, left\_on='l\_key', right\_on='r\_key', how='left') & how: \{'left', 'right', 'outer', 'inner', 'cross'\}, default 'inner' \tn 
% Row Count 17 (+ 5)
% Row 6
\SetRowColor{LightBackground}
pd.concat({[}df1, df2{]}) & union 2 dataframes \tn 
% Row Count 19 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Statements}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{For Loop}} \{\{nl\}\}`for var in range: \{\{nl\}\}~statements`} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{While Loop}} \{\{nl\}\}`while expression: \{\{nl\}\}~ statements`} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{If Statement}} \{\{nl\}\}`if expression: \{\{nl\}\}~statements \{\{nl\}\}elif expression:   \{\{nl\}\}~statements \{\{nl\}\}else: \{\{nl\}\}~statements`} \tn 
% Row Count 8 (+ 4)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Exception Handling}} \{\{nl\}\}`try: \{\{nl\}\}~ print(x) \{\{nl\}\}except NameError: \{\{nl\}\}~ print("variable x is not defined") \{\{nl\}\}except: \{\{nl\}\}~ print("sth else went wrong") \{\{nl\}\}else: \{\{nl\}\}~ print("nth went wrong") \{\{nl\}\}finally: \{\{nl\}\}~ print("the 'try except' is finished")`} \tn 
% Row Count 14 (+ 6)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}