precalculus exercises

(' Enter the length of the first edge:'= float (input (' Enter the length of the second edge: ' = float (input (' Enter the length of the third side:'= (L1+L2+L3)/2= (p* (P-L1) * (P-L2) * (P-L3)) **0.5print(' Triangle area:%.2f'%s)Results:5, calculate the area of the circleR = Float (input (' Enter the radius of the circle:'= r**2*3.14print( The area of the circle is:%.2f '%s ')Results:6, draw a group of same cut roundImport turtleturtle.circle (turtle.circle)turtle.circle(())turtle.circle (

1. Hello world!Print("Hello world! ")2. Simple Interactive (interactive, file-style) textbook P19>>> name = input ("pleaseinput your name:")>>> please input Your name:poonprint(name)>>> Poon3, the user input two numbers, calculate and output two numbers of the sum:S1 = float (Input ("Please input the first num:")) S2= Float (Input ("Please input the second num:")) Sum= S1 +S2Print("The result is:%s"%sum)Print("The result is%.2f"% ((Float (input ("The first num is")) + (float (input ("The secibd

Hello world!Print ("Hello Word")Simple Interactive (interactive, file-style) textbook P19The user enters two numbers and calculates and outputs the sum of two digits:N1=input ("1") n2=input ("2:")Print (Float (N1) +float (n2))The user enters the triangular three-side length and calculates the area of the triangle: (Helen Formula)A = float (input ('input triangle First side length:')) b= Float (Input ('input Triangle Second side length:')) C= Float (Input ('input triangle Third side length:'))#Ca

Print ("Hello world!! ")Name=input ("What is your name?\n") where=input ("where is you now?\n") Age=input ("How is old is you ? \ n")Print("your name is {}". Format (name))Print("You live in {}". Format (where)Print("You is {} years old". Format (age))A=input (" Please enter first number:") b=input (" Please enter a second number:") Sum1=float (a) +float (b)print(" sum of two numbers: {}". Format (SUM1)) a=float (Input ( " first side length: " )) b =float (Input ( " second side length: "

Hello world! Print ('helloWorld') Simple Interactive (interactive, file-style) textbook P19 Name=input ('name=')print('{} Shi ver handsome '. Format (name) the user enters two numbers, calculates and outputs two digits of the sum: a=input ( " a= " ) b =input ( " b= " ) s =float (a) +float (b) print ( " {} " . Format (s)) the user enters a triangular three-edged length and calculates the area of the tr

) Turtle.right (90) Turtle.forward (600) Turtle.right (90) Turtle.forward (400) Turtle.end_fill ()##画大五角星Turtle.penup () Turtle.goto (-263,163) Turtle.pendown () Turtle.color ('Yellow') Turtle.fillcolor ('Yellow') Turtle.begin_fill () Turtle.right (90) forIinchRange (5): Turtle.forward (100) Turtle.right (144) Turtle.end_fill ()##画小五角星##第一个Turtle.penup () Turtle.goto (-126,211) Turtle.pendown () Turtle.color ('Yellow') Turtle.fillcolor ('Yellow') Turtle.begin_fill () Turtle.right (90) forIinchRa

1.Print ("helloWorld") Hello World2.>>> name = input (" Enter Name:") Enter name: Guo Jing print ("{} classmate, Learn python well, promising! " . Format (name) Guo Jing students, learn python, promising! Print ("{} heroes, learn Python, promising! ") " . Format (Name[0]) learned, learn python, promising! Print ("{} brother, learn python, people love! ") . Format (name[1)) Jing elder brother, learn python, people see love!3.N1 = input (" Please enter first number:"= input (" Please enter second

()Turtle.forward (400)Turtle.right (90)Turtle.forward (200)Turtle.right (90)Turtle.forward (400)Turtle.right (90)Turtle.forward (200)Turtle.right (90)Turtle.end_fill ()# Time.sleep (5)Def Draw_big_star ():Turtle.color (' Yellow ')Turtle.fillcolor (' Yellow ')# turtle.speed (1)Turtle.penup ()Turtle.goto (-175,155)Turtle.pendown ()Turtle.begin_fill ()For I in range (5):Turtle.forward (50)Turtle.right (144)Turtle.end_fill ()def draw_smallstar (x, Y, z):Turtle.color (' Yellow ')Turtle.fillcolor ('

First, the output Hello WorldPrint ("Hello Word")Second, summation operationA1 = input ("A1:"= input ("A2:"= float (A1) + float (A2) Print (" the first number {0} plus the second number {1} and is {2}". Format (a1,a2,sum))Three sides of the input triangle to seek the areaImport= input ("A1:"= input ("A2:" = input ("A3:"= (float (A1) +float (A2) +float (A3))/2D == d* (d-float (A1)) * (D-float (A2)) * (D-float (A3)) b=float (area) c= Math.sqrt (b)print(c)Four, the radius of the input circle, to

identical tangent circlesImport turtleturtle.speed (turtle.circle)turtle.circle(()turtle.circle ( ) turtle.circle (40) draw a pentagram import Turtleturtle.speed ( 100) Turtle.forward ( 100 144) Turtle.forward ( 100 144) Turtle.forward ( 100 144) Turtle.forward ( 100 144) Turtle.forward ( 100 144) Draw an all-yellow pentagramImport turtleturtle.speed (turtle.fillcolor) ("yellow") Turtle.begin _fill (Turtle.forward)turtle.right(144) Turtle.forward (+) turtle.right(144 ) Turtle.forward

Hello world!Print ("hello,world!")　　 Simple Interactive (interactive, file-style) textbook P19Name=input (" Please enter name:")print("{} students, please study!") ". Format (name)) The user enters two numbers and calculates and outputs the sum of two digits:N1=input ("1:") N2=input ("2:") print (float (N1) +float (n2))　　 The user enters the triangular three-side length and calculates the area of the triangle: (Helen Formula) A=input ("A:") b=input ("B:") C=input ( "C:") s= (f

Print ("HelloWorld")Name = input ( " Enter name ")print("{} Students, study hard, day up ") . Format (name)) a=input ( " Please enter a: " ) b =input ( " Please enter B: " ) print (float (a) +float (b)) a=input ( " a= " ) b =input ( " b= " ) c =input ( " c= " ) L = (float (a) +float (b) +float (c))/2d = Float (l) * (float (l)-float (a)) * (float (l)-float (b)) * (float (l)-float (c)) s = Float (d) **0.5print (float (s)) R=input (" please input r=") s=3.14*float (r) *float (

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 of the triangle: (Helen Formula)Import matha=

; turtle.right(144)>>> turtle.forward (+)> >> turtle.right (144)>>> turtle.forward (+)>>> turtle.right (144) >>> Turtle.forward (+)Effect:8: Draw a color-filled pentagram>>>ImportTurtle>>> Turtle.fillcolor ("Yellow")>>> Turtle.pencolor ("Yellow")>>>Turtle.begin_fill ()>>> Turtle.forward (100)>>> Turtle.right (144)>>> Turtle.forward (100)>>> Turtle.right (144)>>> Turtle.forward (100)>>> Turtle.right (144)>>> Turtle.forward (100)>>> Turtle.right (144)>>> Turtle.forward (100)>>>Turtle.end_fill ()>>

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

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)

The problem with Python exercises is as follows:Summary: The bonus paid by the enterprise is based on the profit commission. Profit (I) less than or equal to $100,000, the bonus can be raised by 10%, the profit is higher than $100,000, less than $200,000, the portion of less than 100,000 yuan by 10% commission, higher than the portion of 100,000 yuan, a commission of 7.5%, 200,000 to 400,000, higher than 200,000 yuan, can commission 5% , between 400,0

= v.replace ("Cang teacher", "* * *") v = v.replace ("Tokyo Hot", "* *") print (v)20. Making FormsLoop Prompt user input: User name, password, mailbox (requires the user to enter a length of not more than 20 characters, if more than the first 20 characters are valid)If the user enters Q or Q for no further input, the content entered by the user is displayed in a tabular format.#!/usr/bin/env python#-*-Encoding:utf8-*-s = "" While True: name = input ("User name:") if name = = "Q" or name =

Code4. All even numbers in output 1-100# !/usr/bin/env python # -*-encoding:utf-8-*- = 0 while n :+ = 1 if n% 2 = = 0 : Print(n)View Code# !/usr/bin/env python # -*-encoding:utf-8-*- for in range (2,101,2): print(n)View Code5, Beg 1-2+3-4+5 ... 99 of all numbers of the and# !/usr/bin/env python # -*-encoding:utf-8-*- = 0;s = 0 while n : + = 1 if n% 2 = = 0: -= N else : + = n # print (s) #输出每次循环运算的结果 print

to define which wget4. Then use [-X] to determine whether the current user has execute permissions on the downloader, and no Exit5. Perform $downloader $url (effect equals wget ftp://192.168.100.157/hzftp/IP%C9%A8%C3%E8%B9%A4%BE%DF.exe)Four, write a script to complete the following tasks:1. Copy the files under/var/log separately to the/tmp/logs directory2. Use cp-r when copying a directory3. When copying files, use CP4. Copy the linked file, using cp-d5. If it is a different file, use Cp-a[Ema