Shared Cells Across Sibling Closures

def make_account(balance):
    def deposit(amount):
        nonlocal balance
        balance += amount
        return balance

    def withdraw(amount):
        nonlocal balance
        balance -= amount
        return balance

    def get_balance():
        return balance

    return deposit, withdraw, get_balance

dep1, wd1, bal1 = make_account(100)
dep2, wd2, bal2 = make_account(100)

dep1(50)
wd1(20)

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