1 00:00:00,000 --> 00:00:00,400 2 00:00:00,400 --> 00:00:02,260 >> Oratè 1: Se pou nou rafine mwen aplikasyon nan tous 3 00:00:02,260 --> 00:00:03,230 yon ti jan ti kras pi plis. 4 00:00:03,230 --> 00:00:06,580 Se konsa, ki olye ke sèlman ap touse yon sèl tan, lè w ap itilize yon blòk tous 5 00:00:06,580 --> 00:00:09,780 ou ka aktyèlman presize konbyen fwa ki luten yo ta dwe ap touse. 6 00:00:09,780 --> 00:00:12,000 Se konsa, tan sa a mwen pral klike sou, fè yon blòk. 7 00:00:12,000 --> 00:00:13,615 Mwen ankò ale nan rele l 'ap touse. 8 00:00:13,615 --> 00:00:16,200 Men, fwa sa a mwen pral elaji opsyon sa yo. 9 00:00:16,200 --> 00:00:20,450 >> Gen, mwen ka presize ki tous sa a blòk ta dwe pran yon kantite kòm opinyon. 10 00:00:20,450 --> 00:00:22,220 Pa klike icon sa a isit la. 11 00:00:22,220 --> 00:00:25,850 Pa default ak sa yo ki D 'otreman li te ye kòm yon diskisyon, te gen yon defo 12 00:00:25,850 --> 00:00:27,170 Non moun ki nimewo 1. 13 00:00:27,170 --> 00:00:30,870 Men, mwen pral senplifye ke yo jis n, kòm se varyab souvan yo te rele nou an 14 00:00:30,870 --> 00:00:32,009 pou konte yon bagay. 15 00:00:32,009 --> 00:00:33,960 Ki nan sa a se touse. 16 00:00:33,960 --> 00:00:35,780 >> Koulye a, mwen pral ale devan epi klike OKE. 17 00:00:35,780 --> 00:00:38,830 Apre sa, mwen gen premye jou ankò, nan yon moso devinèt defini. 18 00:00:38,830 --> 00:00:41,120 Sinon li te ye kòm yon fonksyon. 19 00:00:41,120 --> 00:00:45,760 Koulye a, fonksyon sa a ki pral pèmèt mwen ou endike nan Kòd konbyen fwa 20 00:00:45,760 --> 00:00:47,230 Grafouyen ta dwe ap touse. 21 00:00:47,230 --> 00:00:50,020 Se konsa, kite a gen tan pwan premye ki repete bloke. 22 00:00:50,020 --> 00:00:53,070 Men, olye ke rad difisil yon nimewo tankou 10 oswa twa, menm jan 23 00:00:53,070 --> 00:00:54,290 nou te fè l 'nan tan lontan an. 24 00:00:54,290 --> 00:00:58,520 >> Se pou yo gen tan pwan n varyab sa a, epi presize ke nou ta dwe repete yon varyab 25 00:00:58,520 --> 00:00:59,630 kantite fwa. 26 00:00:59,630 --> 00:01:02,480 N, sepandan anpil fwa a te itilizatè espesifye. 27 00:01:02,480 --> 00:01:05,099 Koulye a, ki sa nou vle reyur repete kèk kantite fwa? 28 00:01:05,099 --> 00:01:08,520 Oke, mwen vle Scratch yo di ap touse pou yon dezyèm fwa. 29 00:01:08,520 --> 00:01:11,810 30 00:01:11,810 --> 00:01:13,600 Lè sa a, mwen ta renmen yo ba l ' kraze yon ti moman an. 31 00:01:13,600 --> 00:01:16,710 32 00:01:16,710 --> 00:01:21,030 >> Epi, koulye a mwen bezwen aktyèlman rele ki fonksyon nan pwogram reyèl mwen fè pa 33 00:01:21,030 --> 00:01:22,550 di reyur yo touse. 34 00:01:22,550 --> 00:01:26,680 Se konsa, mwen pral trennen m 'ki fèk fè moso devinèt tous. 35 00:01:26,680 --> 00:01:30,460 Epi, koulye a olye ke itilize defo a nan 1, mwen pral ale pi devan epi presize 36 00:01:30,460 --> 00:01:31,560 twa touse. 37 00:01:31,560 --> 00:01:35,080 Se konsa, koulye sa ki nan rive sou lè m ' klike sou drapo a vèt, se tous mwen 38 00:01:35,080 --> 00:01:37,010 moso devinèt ki pral jwenn egzekite. 39 00:01:37,010 --> 00:01:41,660 >> Sa nimewo 3 a pwal sot pase yo nan fonksyon an tous se konsa yo pale. 40 00:01:41,660 --> 00:01:45,620 Epi sa a, kote kòd la fonksyon se pral pran bagay sa yo apati de la. 41 00:01:45,620 --> 00:01:49,840 Repete fwa n oswa twa nan sa a ka, li di tous pou yon dezyèm, 42 00:01:49,840 --> 00:01:54,000 ap tann pou yon dezyèm fwa, repete, repete, e ke sa a li. 43 00:01:54,000 --> 00:01:56,330 Se pou yo klike sou drapo a vèt. 44 00:01:56,330 --> 00:02:02,030 Touse, tous, tous, ak gen ou li. 45 00:02:02,030 --> 00:02:04,040