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mydb.py
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classMyDB:
def__init__(self):
self.connection=Connection()
defconnect(self, connection_string):
returnself.connection
classConnection:
def__init__(self):
self.cur=Cursor()
defcursor(self):
returnself.cur
defclose(self):
pass
classCursor():
defexecute(self, query):
ifquery=="select id from employee_db where name=John":
return123
elifquery=="select id from employee_db where name=Tom":
return789
else:
return-1
defclose(self):
pass
