list1=[]
for x in range(3):
num=int(input('Please enter your number:'))
list1.append(num)
list1.sort(reverse=True)
print(list1)
结果：
Please enter your number:45
Please enter your number:49
Please enter your number:258
[258, 49, 45]
复杂版：
num1=int(input('Please enter your first number:'))
num2=int(input('Please enter your second number:'))
num3=int(input('Please enter your third number:'))
if num1>num2 and num2>num3:
print(num1,num2,num3)
elif num1>num3 and num3>num2:
print(num1,num3,num2)
elif num2>num1 and num1>num3:
print(num2,num1,num3)
elif num3>num1 and num1>num2:
print(num3,num1,num2)
elif num3>num2 and num2>num1:
print(num3,num2,num1)
结果：
Please enter your number:45
Please enter your number:49
Please enter your number:258
[258, 49, 45]
