第26讲 python文件的格式化写入

s="xxx%d yyy%s\n" % (28,'jeapedu')

file_obj.write(s)

fd=open('format.txt','w')

head='%10s %10s %10s \n' % ('ID','Name','Record')

fd.write(head)

item1='%10d %10s %10.2f' % (9510442,'Jeapedu1',78.96)

fd.write(item1)

item2='%10d %10s %10.2f' % (9510443,'Jeapedu2',88.96)

fd.write(item2)

item3='%10d %10s %10.2f' % (9510444,'Jeapedu3',94.56)

fd.write(item3)

...

...

fd.close()