使用用户输入并返回最小和最大数字 - 练习 coursera Python

Posted 2023-05-08

【中文标题】使用用户输入并返回最小和最大数字 - 练习 coursera Python

【英文标题】：use user input and return smallest and biggest number - excersise coursera Python

【发布时间】：2020-09-26 14:27:37

【问题描述】：

我现在为此工作了一个多小时，无法弄清楚为什么结果是最大 7 和最小 10 .. 我的逻辑有问题。我知道还有其他方法可以解决这个问题，但我只想使用课程中教过的东西。

largest = None
smallest = None
while True:
    num = input("Enter a number: ")
    if num == "done":
        break
    try:
        int(num)
    except:
        print("Invalid input")
        continue
    if largest is None:
        largest = num
    elif num > largest:
        largest = num
    if smallest is None:
        smallest = num
    elif num < smallest:
        smallest = num

print("Maximum", largest)
print("Minimum", smallest)

有什么建议吗？

【参考方案1】：

我忘记将输入作为整数保存到变量中（num = int(Number)

largest = None
smallest = None
while True:
    Number = input("Enter a number: ")
    if Number == "done":
        break
    try:
        int(Number)
    except:
        print("Invalid input")
        continue
    num = int(Number)
    if largest is None:
        largest = num
    elif num > largest:
        largest = num
    if smallest is None:
        smallest = num
    if num < smallest:
        smallest = num

print("Maximum", largest)
print("Minimum", smallest)