Extension 'cogs.py' raised an error: NameError: name 'bot' is not defined code example

Example: get cogs discord.py

ListOfCogs = client.cogs # this is a dictionary!
print(len(ListOfCogs))
    
for NameOfCog,TheClassOfCog in ListOfCogs.items(): # we can loop trough it!
	print(NameOfCog)