\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{jvillar02}
\pdfinfo{
  /Title (data-science-inf111.pdf)
  /Creator (Cheatography)
  /Author (jvillar02)
  /Subject (Data Science INF111 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}{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{Data Science INF111 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{jvillar02} via \textcolor{DarkBackground}{\uline{cheatography.com/198670/cs/42065/}}}
\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}jvillar02 \\
  \uline{cheatography.com/jvillar02} \\
  \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 15th January, 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*}{3}

\begin{tabularx}{5.377cm}{x{1.14471 cm} x{3.83229 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{{\bf{Basics}} | Data Types \& Collections}}  \tn
% Row 0
\SetRowColor{LightBackground}
Integers & `-2, -1, 0, 1, 2, 3, 4, 5` \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Floats & `-1.0, -{}-0.5, 0.0, 0.5` \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Strings & `'a', 'aa', 'Hello!'` \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Lists & `{[}'John', 'Peter', 'Debora'{]}` \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Tuples & `('table', 'chair', 'rack')` \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
 & Tuples are immutable objects,\{\{nl\}\} Lists are mutable. \tn 
% Row Count 7 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Sets & A set is an unordered collection \{\{nl\}\}with no duplicate elements \tn 
% Row Count 10 (+ 3)
% Row 7
\SetRowColor{white}
 & Don't use empty curly braces \{ \}\{\{nl\}\} or you will get an empty dictionary \tn 
% Row Count 13 (+ 3)
% Row 8
\SetRowColor{LightBackground}
 & `s = \{1, 2, 3, 2, 3, 4\}`\{\{nl\}\} | {\emph{\# \{1, 2, 3, 4\}}} \tn 
% Row Count 15 (+ 2)
% Row 9
\SetRowColor{white}
\seqsplit{Dictionaries} & `my\_cat = \{ 'size': 'fat'\}` \tn 
% Row Count 17 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.33459 cm} x{1.64241 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Basics | Operators {[}a = 5, b = 10{]}}}  \tn
% Row 0
\SetRowColor{LightBackground}
Multiplication & * \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Addition & + \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Subtraction & - \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Division & / \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Exponent & ** \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
Integer Division & // \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
Modulus / Remainder & \% \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
AND & `a AND b` \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
OR & `a OR b` \tn 
% Row Count 9 (+ 1)
% Row 9
\SetRowColor{white}
NOT & `NOT a` \tn 
% Row Count 10 (+ 1)
% Row 10
\SetRowColor{LightBackground}
Equal / Not equal & `a == b, a != b` \tn 
% Row Count 12 (+ 2)
% Row 11
\SetRowColor{white}
Bigger / Smaller than & `a \textgreater{} b, a \textless{} b` \tn 
% Row Count 14 (+ 2)
% Row 12
\SetRowColor{LightBackground}
Bigger / Smaller than or equal to & `a \textgreater{}= b, a \textless{}= b` \tn 
% Row Count 16 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.9954 cm} x{3.9816 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Basics | Operations}}  \tn
% Row 0
\SetRowColor{LightBackground}
Generic & `sum(), range(), min(), max(), \{\{nl\}\}input(""), sorted(), import` \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
List & `list = {[}{]}, list{[}i{]} = a,\{\{nl\}\}list{[}i{]}, list{[}i:j:x{]}` \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
String & `string{[}i{]}, string{[}i:j:x{]}` \tn 
% Row Count 6 (+ 1)
% Row 3
\SetRowColor{white}
\seqsplit{Dictionary} & `dict = \{\}, dict{[}i{]} = a, dict{[}i{]}` \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.4931 cm} x{3.4839 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Conditionals and Control Flow}}  \tn
% Row 0
\SetRowColor{LightBackground}
IF-ELSE Statement & `name = 'Antony \{\{nl\}\} if name == 'Debora': \{\{nl\}\}...    print('Hi Debora!') \{\{nl\}\}elif name == 'George': \{\{nl\}\}...    print('Hi George!') \{\{nl\}\}else: \{\{nl\}\}...    print('Who are you?')` \tn 
% Row Count 7 (+ 7)
% Row 1
\SetRowColor{white}
WHILE Loop & `spam = 0 \{\{nl\}\} while spam \textless{} 5: \{\{nl\}\}...  print('Hello, world.') \{\{nl\}\}...  spam = spam + 1` \tn 
% Row Count 11 (+ 4)
% Row 2
\SetRowColor{LightBackground}
FOR Loop & `\#start, stop, step`\{\{nl\}\}`for i in range(0, 10, 2): \{\{nl\}\}... print(i)` \tn 
% Row Count 14 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.59264 cm} x{3.38436 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Functions | Modularity and Documentation}}  \tn
% Row 0
\SetRowColor{LightBackground}
Schema Example & `def new\_function(x,y):\{\{nl\}\}"""Descripion of the function, Known as {\emph{Docstring}}\{\{nl\}\}Arguments:\{\{nl\}\}Returns: \{\{nl\}\}"""\{\{nl\}\}...number = x**y \{\{nl\}\}...print("Hellow World")\{\{nl\}\}...return number\{\{nl\}\}new\_function(5,2)` \tn 
% Row Count 9 (+ 9)
% Row 1
\SetRowColor{white}
Single-line comment & `\#in-line` \tn 
% Row Count 11 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Multi-line comment & `"""\{\{nl\}\}lines\{\{nl\}\}"""` \tn 
% Row Count 13 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.09494 cm} x{3.88206 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{File Handling}}  \tn
% Row 0
\SetRowColor{LightBackground}
Open / With & The with statement \{\{nl\}\} automatically closes the file \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Write & ` with open('bacon.txt', 'w') as bacon\_file:\{\{nl\}\} ... bacon\_file.write('Hello world!\textbackslash{}n')` \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Append & ` with open('bacon.txt', 'a') as bacon\_file:\{\{nl\}\} ... bacon\_file.write('Bacon is not a vegetable')` \tn 
% Row Count 9 (+ 4)
% Row 3
\SetRowColor{white}
Read & `with open('bacon.txt') as bacon\_file:\{\{nl\}\} ... content = bacon\_file.read()` \tn 
% Row Count 12 (+ 3)
% Row 4
\SetRowColor{LightBackground}
 & `print(content)\{\{nl\}\}Hello world! \{\{nl\}\}Bacon is not a vegetable` \tn 
% Row Count 15 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.14471 cm} x{3.83229 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Exception Handling}}  \tn
% Row 0
\SetRowColor{LightBackground}
Try - Except & `def divide(dividend , divisor): \{\{nl\}\}... try: \{\{nl\}\} ~  ~... print(dividend / divisor) \{\{nl\}\}... except ZeroDivisionError as e: \{\{nl\}\} ~  ~... print('You can not divide by 0') \{\{nl\}\}... finally: \{\{nl\}\} ~  ~... print('Execution finished')` \tn 
% Row Count 9 (+ 9)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.29402 cm} x{3.68298 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{OOP | Classes and Objects}}  \tn
% Row 0
\SetRowColor{LightBackground}
Schema Example & `class Number: \{\{nl\}\}...  def \_\_init\_\_(self, val): \{\{nl\}\}...   self.val = val  \{\{nl\}\}obj = Number(2) \{\{nl\}\}obj.val` \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\seqsplit{Inheritance} & Using details from a new class\{\{nl\}\} without modifying existing classes \tn 
% Row Count 7 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Encapsulation} & Hiding the details of a class\{\{nl\}\} from other objects \tn 
% Row Count 9 (+ 2)
% Row 3
\SetRowColor{white}
\seqsplit{Polymorphism} & Using common operations in\{\{nl\}\} different ways for different data \tn 
% Row Count 12 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.14471 cm} x{3.83229 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Common Methods}}  \tn
% Row 0
\SetRowColor{LightBackground}
Strings & `strip(), len(), lower() /upper(),\{\{nl\}\}replace(),split(separator)` \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Lists & `append(element), extend(iterable), \{\{nl\}\}insert(index, element),\{\{nl\}\}remove(element), pop(index)` \tn 
% Row Count 7 (+ 4)
% Row 2
\SetRowColor{LightBackground}
Sets & `add(element), remove(element)\{\{nl\}\}union(other\_set), \seqsplit{intersection(other\_set)`} \tn 
% Row Count 10 (+ 3)
% Row 3
\SetRowColor{white}
Tuples & `count(value),  index(value)` \tn 
% Row Count 11 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{Dictionaries} & `.keys(), .values(), .items(),\{\{nl\}\} get(key, default), pop(key)` \tn 
% Row Count 14 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.64701 cm} x{4.32999 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{JIC}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Pandas} & `import pandas as pd \{\{nl\}\}df = pd.DataFrame \{\{nl\}\}df.loc{[}:{]}/df.iloc{[}:{]}  \{\{nl\}\}df.describe() ` \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}