Demo1:
def add(): return 1+1 def sub(): return 2-1 print(add()) print(sub())
Demo2:
def add(): return 1+1 def sub(): return 2-1 print(add()) print(sub())
Demo3:
def add(): return 1+1 def sub(): return 2-1 print(add()) print(sub())
Demo4:
def printLine(func): def f(): print("-----------") return func() return f @printLine def add(): return 1+1 @printLine def sub(): return 2-1 print(add()) print(sub())