GitHub - Sachin2057/Day4: Work for day 4

Name		Name	Last commit message	Last commit date
Latest commit History 4 Commits
ISP_question.py		ISP_question.py
LSP_question.py		LSP_question.py
OCP_question.py		OCP_question.py
bank_account.py		bank_account.py
builder_pattern.py		builder_pattern.py
dip.py		dip.py
factory_principle.py		factory_principle.py
singleton.py		singleton.py
srp.py		srp.py
university.log		university.log
university.py		university.py