#!/usr/bin/env python
# coding: utf-8

# In[1]:


import random


# In[2]:


def zundokogenerator():
    i = 1
    while i > 0:
        zd, i = random.choice([("ズン", i + 1), ("ドコ", +(i<5))])
        yield zd
    yield "キ・ヨ・シ！"


# In[3]:


for zdk in zundokogenerator():
    print(zdk)


# In[4]:


list(zundokogenerator())


# ### ズンドコキヨシ（厳密版）

# refer-to: https://qiita.com/antimon2/items/b198076666b40c72cece#20160317-2020-%E8%BF%BD%E8%A8%98%E5%8E%B3%E5%AF%86%E3%83%90%E3%83%BC%E3%82%B8%E3%83%A7%E3%83%B3

# In[5]:


def zundokogenerator_strict():
    i = 1
    while i > 0:
        zd, i = random.choice([("ズン", i + 1), ("ドコ", +(i!=5))])
        yield zd
    yield "キ・ヨ・シ！"


# In[6]:


for zdk in zundokogenerator_strict():
    print(zdk)


# In[7]:


list(zundokogenerator_strict())


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