\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{tam vu}
\pdfinfo{
  /Title (beginner.pdf)
  /Creator (Cheatography)
  /Author (tam vu)
  /Subject (beginner 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}{0A14A3}
\definecolor{LightBackground}{HTML}{F7F7FC}
\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{beginner Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{tam vu} via \textcolor{DarkBackground}{\uline{cheatography.com/146656/cs/31754/}}}
\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}tam vu \\
  \uline{cheatography.com/tam-vu} \\
  \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 11th May, 2022.\\
   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{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{numpy}}  \tn
% Row 0
\SetRowColor{LightBackground}
create numpy array kieu integer & np.empty ((m, n), np.int\_) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
create a set of n random points with coordinate & \seqsplit{np.random.randint(start}, end, (n,2)) \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
import matplotlib to plot & import matplotlib.pyplot as plt \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
import math & import math \tn 
% Row Count 8 (+ 1)
% Row 4
\SetRowColor{LightBackground}
sort list X from highest to smallest & \seqsplit{X.sort(reverse=True)} \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
sort list X smallest to highest & X.sort() \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
define a function with a value. Need to call f(x) later such as: y = f(x) & def f(x):     square = x**x     return square \tn 
% Row Count 16 (+ 4)
% Row 7
\SetRowColor{white}
define a function without return (print) & def f(x):     square x**x     print(square) \tn 
% Row Count 19 (+ 3)
% Row 8
\SetRowColor{LightBackground}
điểm i được visit hay chưa, nhận giá trị 0 1 & \seqsplit{routing.ActiveVar(i)} \tn 
% Row Count 22 (+ 3)
% Row 9
\SetRowColor{white}
xe nào đi qua điểm i (trả giá trị xe thứ k) & \seqsplit{routing.VehicleVar(i)} \tn 
% Row Count 25 (+ 3)
% Row 10
\SetRowColor{LightBackground}
tập hợp các điểm có thể đi từ i trong tập còn lại của vertex trong ngôn ngữ máy & routing.NextVar(i) \tn 
% Row Count 31 (+ 6)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{numpy (cont)}}  \tn
% Row 11
\SetRowColor{LightBackground}
Sau điểm 3 không được chạy đến điểm 1 & \seqsplit{routing.NextVar(3).remove(1)} \tn 
% Row Count 3 (+ 3)
% Row 12
\SetRowColor{white}
Or tool-xe k có chạy hay không? & \seqsplit{routing.ActiveVehicleVar(k)} \tn 
% Row Count 5 (+ 2)
% Row 13
\SetRowColor{LightBackground}
Or tool-time tới điểm i & routing.timeAcum(i) \tn 
% Row Count 7 (+ 2)
% Row 14
\SetRowColor{white}
Or tool-append (add) one more value to x & x.append(value) \tn 
% Row Count 9 (+ 2)
% Row 15
\SetRowColor{LightBackground}
Or tool-length of matrix is number of rows (m) & x = np.empty ((m,n), np.int\_), len(x) \tn 
% Row Count 12 (+ 3)
% Row 16
\SetRowColor{white}
ctrl+? & \# text \tn 
% Row Count 13 (+ 1)
% Row 17
\SetRowColor{LightBackground}
ctrl+F9 & run from the beginning \tn 
% Row Count 15 (+ 2)
% Row 18
\SetRowColor{white}
define an array(3,1) in numpy & x = np.array({[}{[}1{]},               {[}2{]},               {[}3{]}{]}) \tn 
% Row Count 18 (+ 3)
% Row 19
\SetRowColor{LightBackground}
matrix b multiply matrix a & c = np.dot(b,a) \tn 
% Row Count 20 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.63781 cm} x{2.33919 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{numpy}}  \tn
% Row 0
\SetRowColor{LightBackground}
create a set of n random points with coordinate & \seqsplit{np.random.randint(start}, end, (n,2)) \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}