pinicTable

def printTable(dic_name,l_length,r_length):
    print('ITEM TABLE'.center(l_length+r_length,"-"))
    for k,v in dic_name.items():
        print(str(k).ljust(l_length,'.')+str(v).rjust(r_length,' '))#填充内容至少为一个character，不能用'',应该输入一个space

picnicItems={'apple':12,'pear':20,'strawberry':30,'cookies':50}
printTable(picnicItems,12,15)
printTable(picnicItems,16,18)