[英]What is the optimal way to parse these strings in Python?
使用Python並給出以下獨特項,找到匹配兩個組合名稱的對的最佳方法是什么? 例如,如何查找與字符串"BNBBTC"
相對應的元組?
對於背景,右邊的索引只能有〜5個選項(字符串長度為3或4),而左邊的索引可能> 100。
(AMB, BNB),
(AMB, BTC),
(AMB, ETH),
(ARK, BTC),
(ARK, ETH),
(ARN, BTC),
(ARN, ETH),
(AST, BTC),
(AST, ETH),
(BAT, BNB),
(BAT, BTC),
(BAT, ETH),
(BCC, BNB),
(BCC, BTC),
(BCC, ETH),
(BCC, USDT),
(BCPT, BNB),
(BCPT, BTC),
(BCPT, ETH),
(BNB, BTC),
(BNB, ETH),
(BNB, USDT),
(BNT, BTC),
(BNT, ETH),
(BQX, BTC),
(BQX, ETH),
(BTC, USDT),
(BTG, BTC),
l = [('AMB', 'BNB'), ('AMB', 'BTC')]
d = dict()
for s in l:
d[''.join(s)] = s
def find_name(key):
return d[key] if d.get(key) else None
print(find_name('BNBBTC'))
l = [('AMB', 'BNB'), ('AMB', 'BTC'),('BNB', 'BTC')]
def find_name(key):
for Touple in l:
Flag = 0
if (''.join(Touple)) == key:
Flag = 1
break
return Touple if (Flag == 1) else False
print(find_name('BNBBTC'))
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