This book has several Python language-related concepts. These are the concepts included in the book: Mathematical Numbers, Notations, and Operands; Python Help, Output, Input, and Import functions; Operators; Arithmetic Operators; Comparison Operators, and True and False; Logical Operators; Bitwise Operators, and bits and bytes; Assignment Operators; Identity Operators; Membership Operators; Python statement, indentation, and comment; Python variables, and literals; Python Data Types, and conversions between them; Python Keywords; Some mathematics using math module; Some statistics using statistics module; Error Messages, and Puzzles