1+ < html > 
2+  < head > 
3+  < title > Practice2</ title > 
4+  < link  rel ="stylesheet " type ="text/css " href ="style.css " /> 
5+ < SCRIPT  LANGUAGE ="javascript "> 
6+ Now  =  new  Date ( ) ; 
7+ month  =  Now . getMonth ( )  +  1 ; 
8+ document . write ( "Ñåãîäíÿ "  +  Now . getDate ( ) +  "-"  +  month  +  "-"  +  Now . getFullYear ( ) ) ; 
9+ 
10+ </ SCRIPT > 
11+  </ head > 
12+  < body  background  = "pic3.jpeg "> 
13+  < marquee  behavior ="scroll " direction ="left " scrolldelay ="10 " bgcolor ="#dddddd "> HELLO WORLD!!!</ marquee > 
14+ < h1 > 
15+ < p  id  = "p1 " align ="center "> !Ðàáîòà ñ ôàéëàìè!</ p > 
16+ </ h1 > 
17+ < br > 
18+ < br > 
19+ < p  id  = "p2 " align ="center "> Çàäàíèå ïî ïðàêòèêå ¹2</ p > 
20+ < br > 
21+ < p  id  = "p3 " align ="center "> Äàíû âåùåñòâåííûå ÷èñëà A,B è öåëîå ÷èñëî N. Ñîçäàòü òåêñòîâûé ôàéë,
22+ ñîäåðæàùèé òàáëèöó çíà÷åíèé ôóíêöèè sqrt(x) íà ïðîìåæóòêå [A,B] ñ øàãîì (B - A)/N. Òàáëèöà
23+ ñîñòîèò èç äâóõ ñòîëáöîâ: ñ àðãóìåíòàìè x (10 ïîçèöèé, èç íèõ 4 ïîä äðîáíóþ ÷àñòü) è ñî çíà÷åíèåì
24+ sqrt(x) (15 ïîçèöèé, èç íèõ 8 ïîä äðîáíóþ ÷àñòü). Ñòîëáöû âûðàâíèâàþòñÿ ïî ïðàâîìó êðàþ.</ p > 
25+ 
26+ < h2 > 
27+ < p  id  = "p4 " align ="left "> Ëèñòèíã ïðîãðàììû</ p > 
28+ </ h2 > 
29+ < br > 
30+ 
31+ < p  id  = "p5 " align ="left "> 
32+ 
33+ < pre > 
34+ < span  class ="orange "> from</ span >  math < span  class ="orange "> import</ span >  sqrt < span  class ="comments "> # ïîäêëþ÷åíèå äëÿ ðàñ÷åòà êâàäðàòíîãî êîðíÿ</ span > 
35+ filename = < span  class ="green "> "result.txt"</ span > 
36+ 
37+ f1 = < span  class ="special "> open</ span > (filename, < span  class ="green "> "w"</ span > ) < span  class ="comments "> # îòêðûòèå ôàéëà äëÿ çàïèñè</ span > 
38+ 
39+ a = < span  class ="special "> float</ span > (< span  class ="special "> input</ span > (< span  class ="green "> u"Ââåäèòå A: "</ span > )) < span  class ="comments "> #ââîä äàííûõ</ span > 
40+ b = < span  class ="special "> float</ span > (< span  class ="special "> input</ span > (< span  class ="green "> u"Ââåäèòå B: "</ span > ))
41+ 
42+ n = < span  class ="special "> int</ span > (< span  class ="special "> input</ span > (< span  class ="green "> u"Ââåäèòå N: "</ span > ))
43+ s = (b-a)/n #ðàñ÷åò øàãà
44+ 
45+ < span  class ="orange "> while</ span >  a< =b: < span  class ="comments "> #öèêë ïî çàïèñè ÷èñåë â ôàéë</ span > 
46+ 
47+  < span  class ="special "> print</ span >  str(a), str(sqrt(a)) < span  class ="comments "> #âûâîä â êîíñîëü</ span > 
48+ 
49+  < span  class ="comments "> #çàïèñü äëÿ ÷èñåë ñ 
50+ 	#îïðåäåëåííûì ôîðìàòîì è âûðàâíèâàíèåì ïî êðàâîìó êðàþ
51+ 	#åñëè íàäî ïî ëåâîìó, òî ñòàâèòü çíàê "-", ïåðåä ôîðìàòîì</ span > 
52+ 
53+ f1.write(< span  class ="green "> '%10.4f '</ span >  % (a)), f1.write(< span  class ="green "> '%15.8f\n'</ span >  % (sqrt(a)))
54+ 
55+ 	a=a+s < span  class ="comments "> # óâåëè÷åíèå çíà÷åíèÿ íà øàã</ span > 
56+  
57+ f1.close() 
58+ </ p > 
59+ </ pre > 
60+ < h2 >  
61+  < p  id  = "p6 " align ="left "> Ñêðèíøîòû âûïîëíåíèÿ ïðîãðàììû</ p > 
62+ </ h2 > 
63+ < p > < center > < img  src ="pic1.jpg " alt ="Ïðîìåæóòî÷íûé ðåçóëüòàò, âûâîäèìûé â êîíñîëü "> </ center > </ p > 
64+ < p  align ="center "> Ïðîìåæóòî÷íûé ðåçóëüòàò, âûâîäèìûé â êîíñîëü</ p > < br > 
65+ < br > 
66+ < br > 
67+ < p > < center > < img  src ="pic2.jpg " alt ="Ðåçóëüòàò, çàïèñàííûé â ôàéë "> </ center > </ p > 
68+ < p  align ="center "> Ðåçóëüòàò, çàïèñàííûé â ôàéë</ p > 
69+ < h2 > 
70+ < p  id  = "p7 " align ="left "> Ññûëêè:</ p > 
71+ </ h2 > 
72+ < p  id  = "p8 " align ="left "> 
73+  < a  href ="laba2.py "> Ôàéë ïðîãðàììû</ a > 
74+  < br > 
75+  < a  href ="result.txt "> Ôàéë, â êîòîðûé çàïèñàëèñü ðåçóëüòàòû </ a > 
76+  </ p > 
77+  </ body > 
78+ </ html > 
79+ 
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