Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC v.1914 64 bit (AMD64)] on win32
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>>> import requests
>>> from bs4 import BeautifulSoup
>>> bahammut_ranking_html=requests.get("https://www.gamer.com.tw/")
>>> soup=BeautifulSoup(bahammut_ranking_html.text,"html.parser")
>>> soup.find(class_="BA-ctag1").find(class_="BA-ctag1now").find(class_="BA-cbox BA cbox5 BA mobilegamechart").find(class_="game").find("p")
Traceback (most recent call last):
  File "<pyshell#4>", line 1, in <module>
    soup.find(class_="BA-ctag1").find(class_="BA-ctag1now").find(class_="BA-cbox BA cbox5 BA mobilegamechart").find(class_="game").find("p")
AttributeError: 'NoneType' object has no attribute 'find'