python操作题，急

到底是哪里不对呀qaq（头秃

while True:
temp = input()
if temp.isalpha():
print("请输入一个数字")
break
temp = eval(input[0:-1])
if temp <= 10:
tempLevel = "冷"
elif temp <= 30:
tempLevel = "舒适"
else:
tempLevel = "热"
print(tempLevel)

while True:
    temp = input()
    if temp.isalpha():
        print("请输入一个数字")
        break
    temp = eval(temp[0:-1])
    if temp <= 10:
        tempLevel = "冷"
    elif temp <= 30:
        tempLevel = "舒适"
    else:
        tempLevel = "热"
    print(tempLevel)