Xz Backdoor, Cybersecurity.
dict def __init__(self, lo: int, hi: int): self.louint64 = lo self.hiuint64 = hi self.endPoint = 0 self.childPtr = {} # Determine if a char is in the current linked list, where the char's range is from 0 to 128 def isExist(self, char: int) -> bool: if char < 0 or char >= 128: raise