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python鐨刣ict鍑芥暟鎬庝箞浣跨敤

扬州沐宇科技
2023-12-05 13:26:32
python

dict()鍑芥暟鐢ㄤ簬鍒涘缓涓€涓瓧鍏稿璞°€傚畠鎺ュ彈鍙€夌殑鍏抽敭瀛楀弬鏁帮紝骞惰繑鍥炰竴涓柊鐨勫瓧鍏搞€?/p>

浣跨敤鏂规硶濡備笅锛?/p>

  1. 鍒涘缓涓€涓┖瀛楀吀锛?/li>
my_dict = dict()

鎴栬€呭彲浠ョ洿鎺ヤ娇鐢ㄨ姳鎷彿 {} 鏉ュ垱寤轰竴涓┖瀛楀吀锛?/p>

my_dict = {}
  1. 鍒涘缓涓€涓寘鍚敭鍊煎鐨勫瓧鍏革細
my_dict = dict(key1=value1, key2=value2, key3=value3)

鍏朵腑锛宬ey1銆乲ey2鍜宬ey3涓哄瓧鍏镐腑鐨勯敭锛寁alue1銆乿alue2鍜寁alue3涓哄搴旂殑鍊笺€?/p>

渚嬪锛?/p>

person = dict(name='John', age=25, city='New York')
  1. 閫氳繃鍙凯浠e璞″垱寤哄瓧鍏革細
my_dict = dict(iterable)

鍏朵腑锛宨terable鍙互鏄竴涓寘鍚敭鍊煎鐨勫簭鍒楋紝濡傚垪琛ㄣ€佸厓缁勭瓑銆傛瘡涓敭鍊煎搴旇鏄竴涓簩鍏冪粍锛岀涓€涓厓绱犱负閿紝绗簩涓厓绱犱负鍊笺€?/p>

渚嬪锛?/p>

my_dict = dict([('a', 1), ('b', 2), ('c', 3)])

涓婅堪浠g爜灏嗗垱寤轰竴涓寘鍚笁涓敭鍊煎鐨勫瓧鍏搞€?/p>

  1. 浣跨敤鍏抽敭瀛楀弬鏁板垱寤哄瓧鍏革細
my_dict = dict(**kwargs)

鍏朵腑锛宬wargs鏄竴涓寘鍚敭鍊煎鐨勫瓧鍏革紝鍙互浣跨敤鍏抽敭瀛楀弬鏁颁紶閫掔粰dict()鍑芥暟銆?/p>

渚嬪锛?/p>

my_dict = dict(name='John', age=25, city='New York')

涓婅堪浠g爜灏嗗垱寤轰竴涓笌绗?鐐圭浉鍚岀殑瀛楀吀銆?/p>

浠ヤ笂灏辨槸dict()鍑芥暟鐨勪娇鐢ㄦ柟娉曘€?/p>

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