[python]练习之判断3个数值中最大值

'''程序功能：判断3个数值中最大值'''

x_str = input("请输入X: ")
while True:
    if not x_str.isdecimal():
        x_str = input("检测到您输入非数字,请重新输入数字X: ")
    else:
        break
y_str = input("请输入Y: ")
while True:
    if not y_str.isdecimal():
        y_str = input("检测到您输入非数字,请重新输入数字Y: ")
    else:
        break
z_str = input("请输入Z: ")
while True:
    if not z_str.isdecimal():
        z_str = input("检测到您输入非数字,请重新输入数字Z: ")
    else:
        break
x = int(x_str)
y = int(y_str)
z = int(z_str)
if x >= y:
    temp = x
    if temp >= z:
        print("X,Y,Z中最大数为X = " + str(temp))
    else:
        print("X,Y,Z中最大数为Z = " + str(z))
else:
    temp = y
    if temp >= z:
        print("X,Y,Z中最大数为Y = " + str(temp))
    else:
        print("X,Y,Z中最大数为Z = " + str(z))