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curl--requestPOST\--urlhttps://leetcode.com/graphql\--header'Content-Type: application/json'\--data'{"query":"query questionOfToday {\n\tactiveDailyCodingChallengeQuestion {\n\t\tdate\n\t\tuserStatus\n\t\tlink\n\t\tquestion {\n\t\t\tacRate\n\t\t\tdifficulty\n\t\t\tfreqBar\...
Solution class ListNode: def __init__(self, val=0, next=None): self.val = val self.next = next def reverseList(head): prev = None curr = head while curr: next_node = curr.next # Store the next node curr.next = prev # Reverse the link prev = curr # Move prev to current cur...