python while中使用else語句

'''
while 表達式:
    語句1
else:
    語句2

邏輯：在條件語句(表達式)為False時執行else中的“語句2”
'''

a = 1
while a <= 3:
    print("sunck is a good man!")
    a += 1
else:
    print("very very good")


print("you are right")