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python - 我无法获得元组的最小值或最大值

问题描述

total_price = []

for i in range (5):
try:
     price = list (input ("Enter the price of the sweet: "))
except ValueError:
    print("Enter an integer")
total_price.append(price)
print (total_price)

print ("The most expensive sweet is " + str (max(total_price)))
print ("The least expensive sweet is" + str (min(total_price)))

这就是它的输出

Enter the price of the sweet: 10
Enter the price of the sweet: 20
Enter the price of the sweet: 30
Enter the price of the sweet: 40
Enter the price of the sweet: 50
[['1', '0'], ['2', '0'], ['3', '0'], ['4', '0'], ['5', '0']]
The most expensive sweet is ['5', '0']
The least expensive sweet is['1', '0']
>>>

我已经设法到达那个阶段，但我仍然遇到问题，因为某种原因它正在分离数组中的值。

标签： python

解决方案

如果您将价格存储在一个可迭代的列表中，您就可以找到最昂贵糖果的价格。如：

prices = []
for i in range(5):
   try:
      sweet_price = int(input("Enter price: "))
   except ValueError:
      print("ErrorMessage")
   prices.append(sweet_price)

highest_price = max(prices)

见https://docs.python.org/3/library/functions.html#max

如标题所示，要在元组中查找最大值，请尝试max(list(prices))

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