if elif else

Python3 condition ControlA python conditional statement determines the code block that executes by executing the result of one or more statements (true or false).You can easily understand the execution of conditional statements by:If statementThe

After a couple of contacts with Python, I briefly talked about my initial understanding of Python.I. Basic knowledgeBasic knowledge of Python: Python features {explanatory scripting language; object-oriented language; Dynamic language variable type

1. Process: The process of shell applications is generally interactive and broadly divided into GUI and CLI GUI (graphical user Interface, referred to as GUI, also known as graphical user interface) is a graphical display of the

in fact, as a conditional judgment statement or Loop statement, we have more or less involved in the front, and now we do some additional or to pay attention to a few places to say. There are generally the following common statements: If, while, for,

(1) Basic logic Control Example and coding style specification1.while dead Loop2.for Cycle3.if,elif,else Branch Judgment4. Coding style (official recommendation)Version: Python3.41.while dead LoopImport time >>> i = 0 while 1: ... + = 1 ...

1 The type and memory of objects in the Python language are determined at run time. When you create an assignment, the interpreter determines the type of the new object based on the syntax and the operands to the right.2 GAE English is all called

ConditionsSimilar to other languages, Python uses if...elif...else to form branches, supporting three-mesh operators? : There is no switch in Python, but the indentation feature makes the IF...ELIF...ELSE structure as easy to readLoop controlIn

We'd better start with the hardest question: "What exactly is functional programming (FP)?" "One answer might say that FP is what you do when you're programming with Lisp, Scheme, Haskell, ML, OCAML, clean, Mercury, Erlang (or some other) language."

Brief introductionInterested to see: Explanatory language + Dynamic type language + strongly typed languageInteractive mode: (mainly to test, you can try Ipython) Copy Code code as follows: $python >>> print ' Hello World '

E has a little-known function called conditional compilation (conditional compilation). Since the IE4 began to support conditional compilation, this feature has gradually gained more attention and is used in its own JavaScript code, even in some

Precompilation is the first step in the entire compilation process and is the result of the g++-e option output. This step deals with the macros in the source file/header file, which are commonly used in the following categories: file contains:

Main implementation Features: First level, two levels of multiple options, all support empty, return to the previous level, exit Delete or modify the currently searched user information, as well as special reminders Enables users to

Python variable ScopeVariable Scope LEGB1. Scope of variablesWhen you create, change, or find a variable name in a Python program, it is done in a space (namespace) that holds the variable name, which we call the scope. The scope of the Python is

Unicode string: GB2312 encoding for Chinese generated Python internal encoding is Unicode encodingUnicode usually uses two bytes to represent a character, the original English encoding from a single byte into a double-byte, only need to fill the

Common Statements :If, elif, else: Select conditional statementFormat:If condition:PassElif Conditions:PassElsePassFor: Sequence iterationsA Python for loop can traverse any sequence of items, such as a list or a string1 forIinch 'python':2

Directory:1 Control structure ...1.1 Branch Statement ...1.1.1 Nesting of If statements ...1.2 For Loop ...1.2.1 Control statements in the Python loop ...1.3 While loop statement ...1.3.1 Example ...1 Control structurePython support for three

Python's If statementFor example, to enter user age, print different content according to age, in a Python program, you can use the IF statement:Age =If age >=: print'your print'adult'print'END' Note: The indentation rules for Python code.

[TOC]1. Variable basis and simple data type 1.1 variable interpretation The value that the variable is stored in memory. This means that a space is created in memory when you create a variable. name = ‘python‘number =

#后面写注释Plus. 0 is automatically treated as floatOutput int:Print "He ' s%d pounds heavy."% My_weightOutput string:Print "He ' s got%s eyes and%s hair."% (My_eyes, My_hair)with the%r for debugging, since it displays the ' raw ' data of the variable,

First, define variablesprint (' Hello World \ n ')Defining Variablesname= ' Tambaoliang ' #定义字符串一定加 'age=28quotation marks usewords= "I ' m Tambaoliang" #字符串里有 ', Outside with "" words2= ' You ' are very handsome ' #字符串里有 ', outside with ' words3= '