1. Output Hello word!Print ("Hello Word")2. Simple interactionName=input (" Enter name:")print("{} Students, learn python, promising!") " . Format (name))3, the user input two numbers, calculate and output two numbers of the sum:A=input ( " Please enter number a:") b=input (" Please enter number B:") c= Float (a) +float (b)print(" number {} plus number {} equals {}". Format (a,b,c))4, the user input triangle three-side length, and calculate the area
What language is 1.python?Python is an object-oriented, interpretive, high-level language that is part of a scripting language.What is 2.IDLE?Idle is the basic IDE for developing Python programs (integrated development environment) with basic IDE functionality and a good choice for non-commercial python development.Wha
Today we mainly learn the commonly used operators, such as arithmetic operators, comparison operators, logical operators, and so on, given that the courseware is doing too well (praise the Little Turtle ~ ~ ~ ~). I paste the picture directly (in fact, I am lazy)noun explanationStitchingThis is the first section of the study of a noun, because of their lazy, did not write, add here. Stitching, in fact, is to connect two strings together, not the other,
1. Hello world!2. Simple Interactive (interactive, file-style) textbook P193, the user input two numbers, calculate and output two numbers of the sum:4, the user input triangle three-side length, and calculate the area of the triangle: (Helen Formula)A=input ("Edge length of triangle a:") b=input ("side length B of the triangle:") C=input ("The edge length of the triangle C:") s=1/2*(float(a) +float(b) +float(c) area= (s* (float(s)-float(a)) *(float(s)-float(b)) *(float(s)-float(c))) **0.5Print
characters): ', end= ') comp = input () Count = 0 i = 0 For I in range (len (temp)): If temp[i] = = Comp[0] and temp[i+1] = = Comp[1]: Count + = 1 i + = 1 Else i + = 1 count = Int (count) Print (' substring total%d occurrences in target string '%count)Findstr ()Little Turtle:def findStr (Desstr, SUBSTR): Count = 0 length = Len (desstr) If SubStr not in Desstr: Print (' string not found in target string! ') Else
First, the output Hello WorldPrint ("Hello Word")Second, summation operationA1 = Input ("A1:") a2 = Input ("A2:") sum = float (A1) +float (A2) print ("The sum of the first number {0} plus the second number {1} is {2}". Format (a1,a2,sum))Three sides of the input triangle to seek the areaImport MATHA1 = Input ("A1:") a2 = Input ("A2:") a3 = Input ("A3:") p = (float (A1) +float (A2) +float (A3))/2d=float (p) area = d* ( D-float (A1)) * (D-float (A2)) * (D-float (A3)) B=float (area) c=math.sqrt (b)
1. What is BIFBif is a built-in function, English is all called build-in-function3. Is there a difference between "FISHC" and "FISHC"?There's a difference, he's two different strings.The difference between 4.= and = == Assign a value in Python, that is, assign a value to the variable. = = represents equal to5 What is the meaning of stitching?Stitching can be easily understood in Python as a concatenation of
‐‐‐| ')Print (' |‐‐‐1: Query contact information ‐‐‐| ')Print (' |‐‐‐2: Insert new contact ‐‐‐| ')Print (' |‐‐‐3: Delete existing contact ‐‐‐| ')Print (' |‐‐‐4: Exit Address Book Program ‐‐‐| ')contacts = Dict ()While 1:instr = Int (input (' \ n Please enter the relevant instruction code: '))If InStr = = 1:Name = input (' Please enter contact name: ')If name in Contacts:Print (name + ': ' + contacts[name])ElsePrint (' The name you entered is no longe
1. Note the differences between the two codes3=4print (b)3=4(in Python, variables are simply labeled)2.str = r"c:\\w\e\we\weee""\ \"print (" str")3. (Version 2.7)month =int(Raw_input ("Please enter the number of months:")) Day=int(Raw_input ("Please enter the number of days:")) Hour=int(Raw_input ("Please enter the number of hours:")) minute=int(Raw_input ("Please enter the number of minutes:")) Second=int(Raw_input ("Please enter the number of seco
The GUI class library (Easygui) for Python's third-party simple graphical interface is downloaded and installedDownload : Easygui official website http://easygui.sourceforge.net Download Easygui compression pack Install : Copy the extracted easygui.py to Python under the Lib\site-packages folder under the installation directory Test : Bring up Python's idle, enter>>>import Easygui>>>easygui.msgbox ("This is test!")If a dialog box appears, i
The practice of Python learningA chess board drawn with turtleImport Turtleturtle.speed a = 30# painting background turtle.up () Turtle.goto ( -10, -10) Turtle.down () Turtle.fillcolor ("Khaki") Turtle.begin_fill () TURTLE.FD (A * 8 +) Turtle.left (+) TURTLE.FD (A * 8 +) Turtle.left (A * 8 +) turtle.fd. Left (TURTLE.FD) (A * 8 +) Turtle.left (All) Turtle.end_fill () #画黑格for I in range (8): If I% 2 = = 0: #偶数行 turtle.u P () Turtle.goto (0, I
.del Love[3] The position of the element in parenthesesDel love parentheses followed by list name, list will be deleted8.love.pop (position ordinal, can be omitted, default delete last) The return value is the deleted element9. List copy love[1 (if omitted, viewable as 0): 5 (does not include this position; if omitted, always included to the last element)]10.dir ()11..count () detects the number of occurrences of elements in parentheses in the list12..index (element, range) detects the position
tables, translation tables are converted through the Maketrans method. Deletechars--a list of characters to filter in the string.Translate is a one by one mapping of characters. Each character will be replaced with the corresponding character as soon as it appears.Replace is a string substitution, and the string is replaced as a whole. The two string parameter lengths of replace can be different.Thezfill(width) method returns a string of the specified length, the original string is right-ali
0. Please describe what is a list in a sentence? Describe what a tuple is in a sentence?List: A large warehouse where you can add and remove anything at any time.Tuples: Closed lists, once defined, cannot be changed (cannot be added, deleted, or modified).1. Under what circumstances do you need to use tuples instead of lists?When we want content not to be easily rewritten, we use tuples (putting power into a cage).When we need to change data frequently, we use lists.2. Connect the built-in metho
Today is watching a Python3 video tutorial, teach you to draw a pentagram,In the console>>>import Turtle>>>turtle.forward (100)>>>turtle.left (144)>>>turtle.forward (100)>>>turtle.left (144)>>>turtle.forward (100)>>>turtle.left (144)>>>turtle.forward (100)>>>turtle.left (144)>>>turtle.forward (100)Came out with a pentagramCopy to the IDE's. py fileImport TurtleTurtle.forward (100)Turtle.left (144)Turtle.forward (100)Turtle.left (144)Turtle.forward (10
(support Chinese), which makes the code is legitimateDo it0.S.isalnum () All characters are numbers or letters, return True, otherwise FalseS.isalpha () All characters are letters, returns true for true, otherwise FalseS.isdigit () All characters are numeric and true returns True, otherwise False is returnedS.islower () All characters are lowercase, true is true, otherwise False is returnedS.isupper () All characters are uppercase, returns true for t
and self-made examplesThe following choicebox, He applies to what situation? Is that there are too many options, resulting in a buttonbox that will pull the interface too big.Here are the tutorials and examples of what you doThe next section is important to let users enter content, tutorials and testing as follows:A chapter is more important than a chapter, here is a function of multiple filling functions, multenterbox, specific tutorials and experiments are as follows:Here is the PasswordBox
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