Python小练习四

# 使用给定的宽度打印格式化后的价格列表
 
width = (int)(input('Please enter width:'))
 
price_width = 10
item_width  = width - price_width
 
header_format = '%-*s%*s'
format        = '%-*s%*.2f'
 
print ('=' * width)
 
print (header_format % (item_width, 'Item', price_width, 'Price'))
 
print ('-' * width)
 
print (format % (item_width, 'Apples', price_width, 0.4))
print (format % (item_width, 'Pears', price_width, 0.5))
print (format % (item_width, 'Cantaloupes', price_width, 1.92))
print (format % (item_width, 'Dried Apricots (16 oz.)', price_width, 8))
print (format % (item_width, 'Prunes (4 lbs.)', price_width, 12))
 
print ('=' * width)