标签:encoding data data1 len 实验 txt open
task3
1 with open('data3.txt','r+',encoding='utf-8')as f: 2 a=[] 3 for i in f: 4 i=i.strip('\n') 5 a.append(i) 6 a.pop(0) 7 b=[eval(i) for i in a] 8 print(f'原始数据:\n{b}') 9 c=[round(eval(i)) for i in a] 10 print(f'四舍五入后数据:\n{c}') 11 with open('data3-1.txt','w',encoding='utf-8')as f: 12 w1=['原始数据']+[str(i) for i in a] 13 w2=['四舍五入后的数据']+[str(i) for i in c] 14 for i in range(len(a)): 15 f.write(f'{w1[i]}\t{w2[i]}\n')
task4
1 with open('data4.txt', 'r',encoding = 'utf-8') as f: 2 data = f.read().split('\n') 3 for i in range(1,len(data)): 4 data[i]=data[i].split('\t') 5 data1=data[1:].copy() 6 data1.sort(key=lambda x:(x[2],-int(x[3])),reverse = False) 7 data[0]+='\n' 8 for i in range(len(data1)): 9 for j in range(len(data1[i])): 10 if j==3: 11 data1[i][j]+='\n' 12 else: 13 data1[i][j]+='\t' 14 data[i+1]=''.join(data1[i]) 15 with open('data6.txt', 'w',encoding = 'utf-8') as f: 16 f.writelines(data) 17 with open('data4.txt', 'r',encoding = 'utf-8') as f: 18 data = f.read() 19 print(data)
task5
1 data=[] 2 word1=0 3 word2=0 4 word3=0 5 with open('data5.txt', 'r',encoding = 'utf-8') as f: 6 for i in f: 7 data.append(i) 8 for i in range(len(data)): 9 word1+=len(data[i].split(' ')) 10 word2+=len(data[i]) 11 word3+=data[i].count(' ') 12 print('行数:',len(data)) 13 print('单词数:',word1) 14 print('字符数:',word2) 15 print('空格数',word3) 16 for i in range(len(data)): 17 data[i]=str(i+1)+' '+data[i] 18 with open('data5.txt', 'w',encoding = 'utf-8') as f: 19 f.writelines(data)
标签:encoding,data,data1,len,实验,txt,open 来源: https://www.cnblogs.com/dyh222/p/16275754.html
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