\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{shao} \pdfinfo{ /Title (python-course-day-1.pdf) /Creator (Cheatography) /Author (shao) /Subject (Python Course - Day 1 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}{FFC219} \definecolor{LightBackground}{HTML}{FFFBF0} \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 Course - Day 1 Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{shao} via \textcolor{DarkBackground}{\uline{cheatography.com/217383/cs/47718/}}} \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}shao \\ \uline{cheatography.com/shao} \\ \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 23rd February, 2026.\\ 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}{p{1.04 cm} x{6.96 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Arithmetic Operators}} \tn % Row 0 \SetRowColor{LightBackground} x + y & Addition, {\bf{adds}} x to y \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} x - y & Substraction, {\bf{substract}} y from x \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} x / y & Division, {\bf{divide}} x by y \tn % Row Count 4 (+ 1) % Row 3 \SetRowColor{white} x * y & Multiplication, {\bf{multiply}} x by y \tn % Row Count 6 (+ 2) % Row 4 \SetRowColor{LightBackground} x // y & Floor division, division operation that returns the largest integer that is {\bf{less than}} or {\bf{equal}} to the result of the division \tn % Row Count 10 (+ 4) % Row 5 \SetRowColor{white} x \% y & Modulo, find the {\bf{remainder}} after dividing x by y (26 \% 5 = 1)) \tn % Row Count 12 (+ 2) % Row 6 \SetRowColor{LightBackground} x**y & Exponentiation, calculate a x to the {\bf{power}} of y \tn % Row Count 14 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{1.04 cm} x{6.96 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Comparison Operators}} \tn % Row 0 \SetRowColor{LightBackground} x == y & is x {\bf{equal}} to y? \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} x != y & is x {\bf{not equal}} to y? \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} x \textgreater{} y & is x {\bf{greater}} than y? \tn % Row Count 5 (+ 1) % Row 3 \SetRowColor{white} x \textless{} y & is x {\bf{lower}} than y? \tn % Row Count 6 (+ 1) % Row 4 \SetRowColor{LightBackground} x \textgreater{}= y & is x {\bf{greater}} than or {\bf{equal}} to y? \tn % Row Count 8 (+ 2) % Row 5 \SetRowColor{white} x \textless{}= y & is x {\bf{lower}} than or {\bf{equal}} to y? \tn % Row Count 10 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.8 cm} x{7.2 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Logical Operators}} \tn % Row 0 \SetRowColor{LightBackground} not & {\bf{opposite}} Boolean value \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} and & {\bf{both}} Boolean value must be True \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} or & {\bf{at least one}} Boolean value must be True \tn % Row Count 4 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.12 cm} x{4.88 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Membership Operators}} \tn % Row 0 \SetRowColor{LightBackground} substring {\bf{in}} my\_string & checks if substring appears in my\_string \tn % Row Count 2 (+ 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}{Snippets - Strings}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{\# Slicing - variable{[}start:stop:step{]} \newline my\_text = "abcdefgh" \newline print(my\_text{[}3:6{]}) \# Output: "def" \newline print(my\_text{[}3:6:2{]}) \# Output: "df" \newline print(my\_text{[}::{]}) \# Output: "abcdefgh" \newline print(my\_text{[}::-1{]}) \# Output: "hgfedcba" \newline \newline \# Concatenation \newline my\_text = "Hello" + " " + "World" \newline really\_happy = "I am happy" + "!" * 5 \newline \newline \# Formatting \newline name = "Alice" \newline age = 25 \newline \newline print(f"My name is \{name\} and I am \{age\} years old.") \# Output: "My name is Alice and I am 25 years old."} \tn \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}{String operations}} \tn % Row 0 \SetRowColor{LightBackground} len(s) & Returns {\bf{length}} of {\emph{s}} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} s.count(substring) & Returns how many times {\emph{substring}} {\bf{appears in}} {\emph{s}} \tn % Row Count 5 (+ 3) % Row 2 \SetRowColor{LightBackground} s.find(substring) & Returns the index of the {\bf{first occurence}} of {\emph{substring}} in {\emph{s}}, or {\bf{-1}} if not found \tn % Row Count 10 (+ 5) % Row 3 \SetRowColor{white} s.lower() & Returns {\emph{s}} with all characters to {\bf{lowercase}} \tn % Row Count 13 (+ 3) % Row 4 \SetRowColor{LightBackground} s.upper() & Returns {\emph{s}} with all characters to {\bf{uppercase}} \tn % Row Count 16 (+ 3) % Row 5 \SetRowColor{white} s.strip() & Returns {\emph{s}} with leading and trailing {\bf{whitespace removed}} \tn % Row Count 19 (+ 3) % Row 6 \SetRowColor{LightBackground} s.capitalize() & Returns {\emph{s}} with the {\bf{first letter capitalized}} \tn % Row Count 22 (+ 3) % Row 7 \SetRowColor{white} s.replace(old, new) & Returns a string in which occurences of {\emph{old}} in {\emph{s}} are {\bf{replaced}} by {\emph{new}} \tn % Row Count 26 (+ 4) % Row 8 \SetRowColor{LightBackground} s.split(delimiter) & Returns a {\bf{list}} by splitting {\emph{s}} when a {\emph{delimiter}} \tn % Row Count 29 (+ 3) % Row 9 \SetRowColor{white} \seqsplit{separator.join(text1}, text2, ..., textn) & Returns elements of an iterable into a {\bf{single}} string with a separator string \tn % Row Count 33 (+ 4) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{String operations (cont)}} \tn % Row 10 \SetRowColor{LightBackground} \seqsplit{s.startswith(prefix)} & returns {\emph{True}} if {\emph{s}} {\bf{starts with}} the specified {\emph{prefix}} \tn % Row Count 3 (+ 3) % Row 11 \SetRowColor{white} s.endswith(suffix) & returns {\emph{True}} if {\emph{s}} {\bf{ends with}} the specified {\emph{suffix}} \tn % Row Count 6 (+ 3) % Row 12 \SetRowColor{LightBackground} s.isalpha() & returns {\emph{True}} if all characters in {\emph{s}} are {\bf{alphabetic}} \tn % Row Count 9 (+ 3) % Row 13 \SetRowColor{white} s.isalphanum() & returns {\emph{True}} if all characters in {\emph{s}} are {\bf{alphanumeric}} \tn % Row Count 12 (+ 3) % Row 14 \SetRowColor{LightBackground} s.isdigit() & returns {\emph{True}} if all characters in {\emph{s}} are {\bf{digits}} \tn % Row Count 15 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.76 cm} x{1.368 cm} x{5.472 cm} } \SetRowColor{DarkBackground} \mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Data Types}} \tn % Row 0 \SetRowColor{LightBackground} int & scalar & Integer, represent a number from -2'147'483'648 to 2'147'483'647 \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} float & scalar & Float, represent a floating point number \tn % Row Count 5 (+ 2) % Row 2 \SetRowColor{LightBackground} bool & scalar & Boolean, represent either {\bf{True}} or {\bf{False}} \tn % Row Count 7 (+ 2) % Row 3 \SetRowColor{white} None & scalar & NoneType, represent an {\bf{empty}} object \tn % Row Count 9 (+ 2) % Row 4 \SetRowColor{LightBackground} str & \seqsplit{non-scalar} & String, represent a {\bf{chain of characters}} \tn % Row Count 11 (+ 2) % Row 5 \SetRowColor{white} tuple & \seqsplit{non-scalar} & Tuple, represent an {\bf{immutable}} and {\bf{ordered}} collection of data \tn % Row Count 14 (+ 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}{Snippets - Loops}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{\# for - range(start, stop, step) \newline for i in range(10): \newline print(i) \# Output: "0", "1", ..., "9" \newline \newline \# for - in \newline my\_text = "parse" \newline for c in my\_text: \newline print(c) \# Output: "p", "a", "r", "s", "e" \newline \newline \# while \newline continue = True \newline i = 0 \newline while(continue): \newline if i \textgreater{}= 3: \newline continue = False \newline else: \newline print(i) \# Output: "0", "1", "2"} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}