回答此问题可获得 20 贡献值,回答如果被采纳可获得 50 分。
<p>系统要求用户输入糖果的名称。如果该甜味剂不存在于列表中,则应通知用户。如果该甜味剂在列表中,则每当列表中提到该甜味剂时,列表都会打印出列表的所有详细信息。例如,如果我输入吉百利:</p>
<pre><code># List of transactions [[customer, sweet, amount, money, day, month]
lst_sweets = [
["Tom", "Cadbury", 2, 9, 1, 10],
["Rachel", "Galaxy", 5, 10, 1, 9],
["Rachel", "Smarties", 4, 10, 1, 8],
["Lisa", "Gum drops", 10, 9, 1, 7],
["Donald", "Cadbury", 1, 5, 1, 6],
["Marie", "Smarties", 5, 10, 1, 5]
]
def sweet_purchases():
x = input("Enter the sweet name")
p = -1
sum = 0
for i in range(len(lst_sweets)):
item = lst_sweets[i]
name = item[1]
if name == x:
p = i
if p == -1:
print("customer not in list")
else:
sweetx = lst_sweets[p]
print("Name:", sweetx[0], "Sweet:", sweetx[1], "amount:", sweetx[2], "money:", sweetx[3], "day:", sweetx[4], "month:", sweetx[5])
</code></pre>
<p>期望输出:
姓名:,汤姆,斯威特:,吉百利,金额:,2,金额:,9,日期:,1,月份:,10
姓名:,唐纳德,斯威特:,吉百利,金额:,1,金额:,5,日期:,1,月份:,6</p>
<p>实际产量:
姓名:,汤姆,斯威特:,吉百利,金额:,2,金额:,9,日期:,1,月份:,10</p>
<p>有人知道为什么它不同时打印出来吗?谢谢</p>