how to print name

Common python formatting output summary and python output summary This article summarizes some simple and basic formats of output formatting. I will not talk about them here. Let's take a look at the details. I. Print strings >>> print "I'm %s" %

First, Quick Search Handbook1. String Formatting code: format Description %% Percent Sign %c Characters and their ASCII code %s String %d Signed

Cursors are usually used to traverse tables. In SQLServer, you can easily use cursors to traverse records in tables. This article describes how to use table variables and cursors to traverse tables in the database, interested friends can understand

I was just getting started with Python. I also wanted to watch a lot of people play crawlers. I found that the first thing that many people use web crawlers do is simulate login, the difficulty is to simulate data acquisition after login, but there

# String # In Python, all strings enclosed in quotation marks can be single quotation marks or double quotation marks & quot; thisastring & quot; Python learning _ string of Guibs # String # In Python, all enclosed in quotation marks are strings.

Python has been an object-oriented language since its design. as a result, it is easy to create a class and object in Python. This section describes Python object-oriented programming in detail. Python has been an object-oriented language since its

This article explains how to use python to perform operations on the dict Dictionary. Clear (clear dictionary content) Stu = {'num1': 'Tom ', 'num2': 'Lucy', 'num3': 'Sam ',} print (stu. clear () # output: None Copy (copy dictionary) stu = {

This article mainly introduces how to use dict (dictionary) in python3. It provides a detailed list of functions, which has some reference value for everyone. let's take a look at it. This article mainly introduces how to use dict (dictionary) in

This article mainly introduces the parameters of functions in Python. it is a basic skill to learn how to pass parameters in a function in any language. if you need them, refer to defining functions, the parameter name and position are determined,

Python's scope differs from other languages, and he has several tips to determine the scope.1. Python does not have a block-level scope, only the scope of the function level.For example, in the following example, if it is Java or other languages,

Python Object-orientedPython has been an object-oriented language since its inception, which is why it is easy to create a class and object in Python. In this section we will detail Python's object-oriented programming.If you have not been exposed

I. Math-defined functions and functions in Python　　-Junior Math function definition: Generally, in a change process, if there are two variables x and Y, and for each definite value of x, Y has a unique value corresponding to it, then we refer to x

classes are abstract templates, such as the student classAn instance is a specific "object" created from a class, each of which has the same method, but the data may be different1. Defining ClassesIn Python, for example, the student class is defined

1. Two ways to execute Python scriptsYou can also use Pycharm2, briefly describe the relationship between bits and bytesThe data store is in "bytes" (byte), the data transfer is mostly in the "bit" (bit, aka "bit") units, a bit represents a 0 or 1

Application of Function Name: 1. memory address of Function namedef func(): print(‘呵呵‘)print(func)结果：2. Function names can be assigned to other variablesdef func(): print(‘呵呵‘)print(func)a = func # 把函数当成一个变量赋值给另一个变量a() # 函数调用3. Function

Value and type (values and Types)Lua is a dynamic type language, which means that variables have no type and only values have types. The language does not have a type definition, and all values carry their own type.All values in Lua are class-one

Awk programming:1. variables:In awk, variables can be used without definition. When values are assigned, they are defined. The variable type can be numbers or strings. The value of the uninitialized variable is 0 or a blank string "" depending on

SQLite is an ACID-compliant relational database management system, which is contained in a relatively small C library. It is a public project established by D. Richard IPP. I. Prepare the sqlite data source. Since sqlite is a memory database, there

[Copyright statement: reprinted. Please retain the Source: blog.csdn.net/gentleliu. Mail: shallnew at 163 dot com] The grep command is used to obtain the line information that complies with the rules. This section describes how to use awk to obtain

Easy to use: Awk: perform operations on a row in a file by itself. Awk-F: '{print $1, $4}': Use ':' to split the row and print the first and fourth fields of the row.     Details: Awk command Introduction   The most basic function of the awk