lml565

摘要： class StudentDoc: def __init__(self,studentnumber,name,major,point): self._studentnumber = studentnumber self._name = name self._major = major self._p 阅读全文

摘要： with open('data1_1.txt', 'r', encoding = 'utf-8') as f: data=f.readlines()n = 0for line in data: if line.strip('\n') == '': continue n+=1print(f'共{n}行 阅读全文