所以我現在正在學習Python，我編寫了以下代碼來練習：import time

from decimal import Decimal

name = input("\nPlease enter your name: ")

def bmi(weight, height):

bmi = weight/(height**2)

if bmi > 29.9:

report = "obese"

elif bmi <= 29.9 and bmi > 24.9:

report = "overweight"

elif bmi <= 24.9 and bmi > 18.5:

report = "normal"

elif bmi <= 18.5:

report = "underweight"

else:

report = "to be lying"

return (bmi, report)

while True:

weight = Decimal(input("\nEnter your weight (kg): "))

if weight == 0:

print("You can't have a weight of 0. Try again!")

continue

if weight < 0:

print("A negative weight? Really?")

continue

height = Decimal(input("Enter your height (cm): "))

height = height/100

bmi, report = bmi(weight, height)

bmi = round(bmi, 1)

time.sleep(1)

print("\n" + name.title() + ", according to your BMI (" + str(bmi) +

"), you are considered " + report + ".")

qprompt = input("\nDo you wish to quit? (y/n): ")

if qprompt == 'y':

break

else:

continue

在while循環再次開始并且我輸入了一個權重和高度之后，這段代碼似乎返回了一個錯誤。它第一次運行良好，但在我告訴它繼續運行，然后輸入重量和高度后，它崩潰并給出以下錯誤：

^{pr2}$

我想我應該在這里尋求幫助，因為我無法解決問題。

謝謝！在

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