# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/w3fuefa
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Leecode-Go - 矩陣置零（字符串相關）**
現在給定兩個字符串，分別是 ransomNote 和 magazine，當前需要我們做的是判斷 ransomNote 能不能由 magazine 裏面的字符構成，如果可以的話，需要我們返回 true，否則就需要返回 false，需要我們注意的是，magazine 中的每個字符只能在 ransomNote 中使用一次。可以提示的內容如下：1 <= ransomNote.length, magazin ⌘ Read more=