\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{ahmed1998778} \pdfinfo{ /Title (different-types-of-number-data-types.pdf) /Creator (Cheatography) /Author (ahmed1998778) /Subject (Different types of Number data types 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}{17A31B} \definecolor{LightBackground}{HTML}{F0F9F0} \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{Different types of Number data types Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{ahmed1998778} via \textcolor{DarkBackground}{\uline{cheatography.com/144351/cs/30978/}}} \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}ahmed1998778 \\ \uline{cheatography.com/ahmed1998778} \\ \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 3rd March, 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} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Boolean data type in Python}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{Boolean type is one of the built-in data types provided by Python, which represents one of the two values i.e. True or False. \newline % Row Count 3 (+ 3) Generally, it is used to represent the truth values of the expressions. For example, 1==1 is True whereas 2\textless{}1 is False.% Row Count 6 (+ 3) } \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}{Python Boolean Type}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{The output \textless{}class 'bool'\textgreater{} indicates the variable is a boolean data type.% Row Count 2 (+ 2) } \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}{Example: Boolean type}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{a = True \newline type(a) \newline \newline b = False \newline type(b)} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Output: \newline \newline \textless{}class 'bool'\textgreater{} \newline \textless{}class 'bool'\textgreater{}} \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}{Evaluate Variables and Expressions}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{We can evaluate values and variables using the Python bool() function. This method is used to return or convert a value to a Boolean value i.e., True or False, using the standard truth testing procedure.% Row Count 5 (+ 5) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Syntax: \newline \newline bool({[}x{]})} \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}{Example: Python bool() method}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{\# Returns False as x is not equal to y \newline x = 5 \newline y = 10 \newline print(bool(x==y)) \newline \newline \# Returns False as x is None \newline x = None \newline print(bool(x)) \newline \newline \# Returns False as x is an empty sequence \newline x = () \newline print(bool(x)) \newline \newline \# Returns False as x is an empty mapping \newline x = \{\} \newline print(bool(x)) \newline \newline \# Returns False as x is 0 \newline x = 0.0 \newline print(bool(x)) \newline \newline \# Returns True as x is a non empty string \newline x = 'GeeksforGeeks' \newline print(bool(x))} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Output \newline False \newline False \newline False \newline False \newline False \newline True} \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}{Integers and Floats as Booleans}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Numbers have zero as a value is considered \newline as False, while if they are having value as any \newline positive or negative number then it is considered \newline as True. \newline \newline var1 = 0 \newline print(bool(var1)) \newline \newline var2 = 1 \newline print(bool(var2)) \newline \newline var3 = -9.7 \newline print(bool(var3))} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Output: \newline \newline False \newline True \newline True} \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}{Int type}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{int (Integers) are the whole number, including negative numbers but not fractions. In Python, there is no limit to how long an integer value can be.% Row Count 3 (+ 3) } \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}{How Python represents integers}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{Python, however, doesn't use a fixed number of bit to store integers. Instead, Python uses a variable number of bits to store integers. \newline % Row Count 3 (+ 3) The maximum integer number that Python can represent depends on the memory available.% Row Count 5 (+ 2) } \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}{Example 1: Creating int and checking type}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{num = -8 \newline \newline \# print the data type \newline print(type(num))} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Output: \newline \newline \textless{}class 'int'\textgreater{}} \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}{Getting the size of an integer}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{from sys import getsizeof \newline \newline counter = 100 \newline size = getsizeof(counter) \newline \newline print(size)} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Output: \newline \newline 28} \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}{Converting a String to a Float in Python}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{\# python code to convert string \newline \# to float \newline string = "90" \newline result = float(string) \newline \newline print(result)} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Output: \newline \newline 90.0} \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}{Python integer operations}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Python integers support all standard operations including: \newline \newline Addition + \newline Subtraction – \newline Multiplication {\emph{ \newline Division / \newline \newline a = 10 \newline b = 20 \newline c = a + b \newline print(c) \newline print(type(c)) \newline \newline c = a - b \newline print(c) \newline print(type(c)) \newline \newline c = a }} b \newline print(c) \newline print(type(c)) \newline \newline c = b/a \newline print(c) \newline print(type(c))} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{30 \newline \textless{}class 'int'\textgreater{} \newline -10 \newline \textless{}class 'int'\textgreater{} \newline 200 \newline \textless{}class 'int'\textgreater{} \newline 2.0 \newline \textless{}class 'float'\textgreater{}} \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}{Python float}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{Python uses the float class to represent the real numbers. \newline % Row Count 2 (+ 2) Python float uses 8 bytes (or 64 bits) to represent real numbers. \newline % Row Count 4 (+ 2) Unlike the integer type, the float type uses a fixed number of bytes.% Row Count 6 (+ 2) } \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}{Creating float and checking type}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{num = 3/4 \newline \newline \# print the data type \newline print(type(num)) \newline \newline num = 6 * 7.0 \newline \newline print(type(num))} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{\textless{}class 'float'\textgreater{} \newline \textless{}class 'float'\textgreater{}} \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}{Converting an Integer to a Float in Python}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{\# python code to convert int \newline \# float \newline number = 90 \newline result = float(number) \newline \newline print(result)} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Output: \newline \newline 90.0} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}