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a=1
print id(a)
a=2
print id(a)
a=a+1
print id(a)
-------------------------------------------------------------------------------------------------------------------------
t=6
def tt():
global t
t=t+1
print t
print t
tt()
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6
7
-------------------------------------------------------------------------------------------------------------------------
t=6
def tt():
t=t+1
print t
print t
tt()
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-------------------------------------------------------------------------------------------------------------------------
def f1(n):
m=n
def f2(i):
print m,i
return f2
a=f1(2)
b=f1(3)
a(1)
b(2)
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2 1
3 2
-------------------------------------------------------------------------------------------------------------------------
m=999
def f1(n):
m=n
def f2(i):
global m
print m,i
return f2
a=f1(2)
b=f1(3)
a(1)
b(2)
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999 1
999 2
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