A、
Fr=open("price.csv","r")
Ls=[]
For line in fr:
line=line.replace("\n","")
ls.append(line.split(","))
Fr.close()
B、
Fr=open("price.csv","r")
Ls=[]
For line in fr:
ls.append(line.split(","))
Fr.close()
C、
Fr=open("price.csv","r")
For line in fr:
line=line.replace("\n","")
ls.append(line.split(","))
Fr.close()
D、
Fr=open("price.csv","w")
Ls=[]
For line in fr:
ls.append(line.split(","))
Fr.close()