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import sys
from typing import Any, Optional
class Subscription:
def __init__(self, start: int, end: Optional[int] = None):
self.subscribe = start
self.unsubscribe = end or sys.maxsize
def equals(self, other: Any) -> bool:
return (
self.subscribe == other.subscribe and self.unsubscribe == other.unsubscribe
)
def __eq__(self, other: Any) -> bool:
return self.equals(other)
def __repr__(self) -> str:
return str(self)
def __str__(self) -> str:
unsubscribe = (
"Infinite" if self.unsubscribe == sys.maxsize else self.unsubscribe
)
return "(%s, %s)" % (self.subscribe, unsubscribe)
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