try finally方法 笔记

ainizhongguoa

try:
   
    f=open('why am i a document','w')
    print(f.write('i exist'))
    sum=1+'1'
  
except OSError as reason:
    print('something wrong happened \n reason is'+ str(reason))
except TypeError as reason:
    print('sth wrong happen, and the reason is'+str(reason))
finally:
    f.close()