京峰教育python3x收藏版教程9推導(dǎo)數(shù)據(jù)

第五章推導(dǎo)數(shù)第五章推導(dǎo)數(shù) 需要你的幫2-34,3:21,2.34,2.45,3.01,2:01,2:01,3:10,2-2:58,2.58,2:39,2-25,2-2.59,2.11,2:11,2:23,3-10,2-23,3:10,3.21,3-先從各先從各個(gè)文件將數(shù)據(jù)讀入各自選選手的數(shù)據(jù)分別創(chuàng)建一個(gè)列表，并在屏幕上顯示這些列原地sort()原地sort()升降序sort(reverse=True)制排sorted()制排sorted()升降序降序['2-22','2-34','2.34','2.45','2:01','2:01','3.01','3:10',['2.49','2:22','2:38','3.01','3.02','3.02','3:01','3:02',['2-25','2-55','2.18','2.58','2:39','2:54','2:55','2:55',時(shí)間的麻['2:58',['2:58','2.58','2:39','2-25','2-55','2:54','2.18','2:55','2:55']['2-25',['2-25','2-55','2.18','2.58','2:39','2:54','2:55','2:55','2:58']寫代創(chuàng)建創(chuàng)建一個(gè)函數(shù)，名為sanitize()，這個(gè)函數(shù)從每個(gè)選手的列表接收一個(gè)字符輸入輸入，然后處理這個(gè)字符串，將找到的所有短橫線或冒號替換為一個(gè)回清理過的字符串。注意：如果字符串已經(jīng)包含一個(gè)點(diǎn)號編寫編寫代碼，將現(xiàn)有的數(shù)據(jù)轉(zhuǎn)換為經(jīng)過清理的版本。創(chuàng)建4個(gè)新列表來保存數(shù)據(jù)數(shù)據(jù)。迭代處理各個(gè)選手的列表數(shù)據(jù)，從各個(gè)列表將經(jīng)到適當(dāng)?shù)男铝斜?。程序的最后要在屏幕上分別打印各個(gè)創(chuàng)建一個(gè)新列表來存放轉(zhuǎn)換后迭代處理原列表中的各個(gè)數(shù)據(jù)項(xiàng)每次迭代時(shí)要完成轉(zhuǎn)將轉(zhuǎn)換后的數(shù)據(jù)追加到clean_mikey=foreach_tin2.3.4.選擇要使用的目標(biāo)標(biāo)識符選擇要使用的目標(biāo)標(biāo)識符(規(guī)的迭代類似

clean_mikey=[sanitize(each_t) each_tinmikey 應(yīng)用與各個(gè)

clen_mikeyclen_mikey=foreach_tinmikey:clean_mikeyclean_mikey=[sanitize(each_t)each_tinmikey列表分單個(gè) 你需要各個(gè)數(shù)據(jù)

james=(sorted([sanitize(t)fortin提示你可能會考慮使用notin“james”列表“james”列表中的所有重創(chuàng)創(chuàng)建一個(gè)新的空集合distances=distances={10.6,11,8,10.6,“two”,distancesdistances=withopen('james.txt')withopen('james.txt')asdata=james=withopen('julie.txt')asdata=julie=withopen('mikey.txt')asdata=mik