Inner function closure
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def a():
x = "python"
def b():
print("I am from inner function {0}".format(x))
b()
a()
def a():
x = "python" #x 變左private varibles，之後唔可以洗走佢
def b():
print("I am from inner function {0}".format(x))
return b
c = a()
c()
Python
INFO