a = 0
if 1 <= a <= 3:
print("0")
a = 1
if 1 <= a <= 3:
print("1")
a = 3
if 1 <= a <= 3:
print("3")
a = 4
if 1 <= a <= 3:
print("4")
#https://pt.stackoverflow.com/q/482565/101
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