实验5
with open('data3.txt', 'r', encoding='utf-8') as f: data = f.read().split('\n') yuanshishuju = data.pop(0) data1 = [eval(i) for i in data] data2 = [round(i) for i in data1] print(f'{yuanshishuju}:\n{data1}') print(f'四舍五入后数据:\n{data2}') with open('jishiben.txt','w',encoding='utf-8') as f: list=['原始数据']+[str(i) for i in data1] list1=['四舍五入后数据']+[str(i) for i in data2] for i in range(len(data)): f.write(f'{list[i]}\t{list1[i]}\n')
with open('data4.txt','r',encoding='utf-8') as f: list=[i.strip('\n').split('\t') for i in f] a=list.pop(0) list.sort(key=lambda x:(x[2],-int(x[3]))) print('\t'.join(a)) for i in list: print('\t'.join(i)) with open('data4jishiben.txt','w',encoding='utf-8')as f: f.write('\t'.join(a)) f.write('\n') for i in list: f.write('\t'.join(i)) f.write('\n')
with open('data5.txt','r',encoding='utf-8')as f: data=''.join([i for i in f]) print(f'行数:{len(data.splitlines())}') print(f'单词数:{len(data.split())}') print(f'空格数:{data.count(" ")}') print(f'字符数:{len(data)}')