mental arithmetic exercises

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)

Lab 1 (four arithmetic exercises in primary school) and four arithmetic operations in primary school # Include Although the Code is relatively simple to write and the functions have not yet met the requirements of the teacher, this well-defined writing method is quite preferred. Functions to be improved...

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], which represents the value of variable A minus the value of variable B#!/bin/bashif! ID $ >/dev/null;thenecho "User $ no exists!"ElseWtime= ' grep ' $ '/etc/shadow|cut-d:-f6 'Ctime= ' grep ' $ '/etc/shadow|cut-d:-f3 'Utime= ' grep ' $ '/etc/shadow|cut-d:-f5 'now= ' Date +%s/86400|bc 'ltime=$[$utime-$[$now-$ctime]If [$ltime-lt $wtime];thenecho "warning!"Elseecho "OK"FiFiExercise: Write a scriptWhat is the total entry for the history command in the decision command history?[Email protected] ~]#

20172326 "Java Programming" course pair programming exercises _ Arithmetic second-week phase summary team members More than 20,172,313 Kun Peng 20172332 in Xin Yue 20172326 Canghao More Group Programming Photo Design ideas Use an element and Num class to get an expression as a basic element Combine individual elements with an expression by CalImportant Code Key code explains Projec

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Standard Code specification (to develop appropriate specifications for current development) 60 Design UML Design Project UML class diagram 60 Coding Specific code 1500 Code Review Code review 30 Test tests (Self-test, modify code, commit changes) 300 Size Measurement calculation effort (actual time) 2 2 Postmortem Process Improvement Plan Summariz