关于python：Elif，如果不工作或我不理解

Elif and if not working or me not understanding

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好吧，我的代码正在工作，但是如果我想重试输入密码，键入no，它就不工作了；它只会转到输入密码行(第20行)。我尝试过多种方法来解决这个问题，但我根本做不到。

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import time
import os

print ("Hello world.")
time.sleep(1)
print ("Waiting 5 seconds.")
time.sleep(5)
print ("You have waited 10 seconds.")
print ("Executing Chrome.")
time.sleep(1)
print ("Execution failed!")
password = input("Enter the execution password:")
if password == 'password1234':
os.system ('C:\\Users\\Harry\\AppData\\Local\\Google\\Chrome\\Application\\chrome.exe')
else:
print ("Wrong password!")
time.sleep(1)
passretry = input("Do you want to try again?")
if passretry == 'yes' or 'Yes':
passretry1 = input("Enter password:")
if passretry1 == 'password1234':
os.system ('C:\\Users\\Harry\\AppData\\Local\\Google\\Chrome\\Application\\chrome.exe')
elif passretry == 'no' or 'No':
print ("Closing...")
time.sleep(1)
else:
print ("Wrong password.")
time.sleep(.5)
print ("Retry limit exceeded, closing.")
time.sleep(1)