\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
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%\usepackage[utf8x]{inputenc}    % For unicode character support
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\usepackage{colortbl}           % For coloured tables
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\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{InfinityCliff}
\pdfinfo{
  /Title (python.pdf)
  /Creator (Cheatography)
  /Author (InfinityCliff)
  /Subject (Python Cheat Sheet)
}

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% the right line height in the tables
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% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
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\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 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{InfinityCliff} via \textcolor{DarkBackground}{\uline{cheatography.com/79806/cs/19308/}}}
\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}InfinityCliff \\
  \uline{cheatography.com/infinitycliff} \\
  \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 25th April, 2019.\\
   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*}{3}

\begin{tabularx}{5.377cm}{x{2.88666 cm} x{2.09034 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Creating a Dataframe (copy)}}  \tn
% Row 0
\SetRowColor{LightBackground}
`df = pd.DataFrame()` & Empty DataFrame \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Pandas DataFrame}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Merge}} \{\{link="https://pandas.pydata.org/pandas-docs/stable/user\_guide/merging.html"\}\}{[}...{]}\{\{/link\}\}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`df = pd.merge(left=left\_df, right=right\_df, on='FIELD', validate='m:m')`} \tn 
% Row Count 5 (+ 5)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Select Rows based on column value}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`df.loc{[}df{[}'column\_name'{]} == some\_value{]}` \{\{nl\}\} `df{[}(df.field1 cond1) \& (df.field2 cond2){]}`} \tn 
% Row Count 8 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Sort (by specified Field)}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}\seqsplit{`df.sort\_values('FIELD')`}} \tn 
% Row Count 10 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Fill a column with value}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`df{[}'A'{]} = 'foo'`} \tn 
% Row Count 12 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Reset Index}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}\seqsplit{`df.reset\_index(inplace=True)`}} \tn 
% Row Count 14 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Extract {[}month, date, hour, etc{]} from datetime column}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`df{[}'NEW\_FIELD'{]} = df{[}'dt\_FIELD'{]}.dt.\textless{}value\textgreater{}` value=month, date, hour} \tn 
% Row Count 18 (+ 4)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Set Index}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`df.set\_index(keys, drop=True, append=False, inplace=False, \seqsplit{verify\_integrity=False)`}} \tn 
% Row Count 21 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Documentation: \newline     \seqsplit{http://pandas.pydata.org/pandas-docs/stable/} \newline  \newline \{\{link="https://pandas.pydata.org/pandas-docs/stable/user\_guide/merging.html"\}\}{[}...{]}\{\{/link\}\}}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.86963 cm} x{2.7462 cm} x{0.96117 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{pandas Functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{len(df)} & Number of rows in DataFrame &  \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{df.dtypes} & Data type of each column &  \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{df.columns} & DataFrame column names & list of str \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\seqsplit{df.count()} & Number of values in each column &  \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{df.sum()} & Sum of values in each column &  \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\seqsplit{df.min()} & Minimum value in each column &  \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\seqsplit{df.max()} & Maximum value in each column &  \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
\seqsplit{df.mean()} & Mean value in each column &  \tn 
% Row Count 16 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{Replace df with df{[}"Column Name"{]} or an equivalent variable to use these functions for a single column or set of selected values.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Reading and writing data}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Excel}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`df = \seqsplit{pd.read\_excel('file.xlsx'}, sheet\_name= 'sheet name)` \{\{link="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.read\_excel.html"\}\} {[}...{]}\{\{/link\}\}    \{\{nl\}\}`df.to\_excel('file.xlsx', sheet\_name='sheet name'` \{\{link="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.to\_excel.html\#pandas.DataFrame.to\_excel"\}\} {[}...{]}\{\{/link\}\}} \tn 
% Row Count 9 (+ 9)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Excel multi sheets}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`with \seqsplit{pd.ExcelWriter('path\_to\_file.xlsx')} as writer:` \{\{nl\}\}`~ df1.to\_excel(writer, sheet\_name='Sheet1') \{\{nl\}\} ~ df2.to\_excel(writer, sheet\_name='Sheet2')`} \tn 
% Row Count 14 (+ 5)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{pickle}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`df = pd.read\_pickle('file.pickle')`\{\{link="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.read\_pickle.html"\}\} {[}...{]}\{\{/link\}\}  \{\{nl\}\} \seqsplit{`df.to\_pickle('file.pickle')`} \{\{link="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.to\_pickle.html"\}\} {[}...{]}\{\{/link\}\}} \tn 
% Row Count 22 (+ 8)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{csv}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`df = \seqsplit{pd.read\_csv('file.csv')`} \{\{link="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.read\_csv.html"\}\} {[}...{]}\{\{/link\}\}} \tn 
% Row Count 27 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{link="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.read\_csv.html"\}\} {[}...{]}\{\{/link\}\}}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Class Property Ddecorators}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{@property      \newline def val(self): \newline     return self.\_val \newline  \newline @val.setter \newline def temperature(self, value): \newline     self.\_val = value} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}