我正在尝试编写这段代码,以便一旦结束,先前的答案将被保存,并且可以再次运行代码而不会覆盖旧答案。我将how、why和scale_of_ten变量移入“with open”部分,并且成功地使代码能够在文件执行的次数内工作,但每次执行时旧答案都会被覆盖。如何编写代码以保存旧答案并同时接收新答案?
import csv
import datetime
# imports modules
now = datetime.datetime.now()
# define current time when file is executed
how = str(raw_input("How are you doing?"))
why = str(raw_input("Why do you feel that way?"))
scale_of_ten = int(raw_input("On a scale of 1-10. With 10 being happy and 1 being sad. How happy are you?"))
#creates variables for csv file
x = [now.strftime("%Y-%m-%d %H:%M"),how,why,scale_of_ten]
# creates list for variables to be written in
with open ('happy.csv','wb') as f:
wtr = csv.writer(f)
wtr.writerow(x)
wtr.writerow(x)
f.close()
with
语句,就不需要再次关闭文件。 - aIKid