陳禹熹python字典dictionaries

#陳禹熹 字典 keys:value a = { 2330: "台積電", 2317: "鴻海", 2454: "聯發科", 2412: "中華電", 6505:"台塑化",2308: "台達電"} print(a) print("廻圏列出字典的所有值") for t in a: print(a[t]) b = a.copy()#字典不能直接assign print(b) a.update({2881:"富邦金控"}) a.update({2303:"聯電"}) for t in a: print(a[t]) a.pop(2881) #移除 print("移除後的字典") for t in a: print(a[t]) a.setdefault(1303,"南亞") a.setdefault(2882,"國泰金") i = 0 for t in a: #python迴圈不使用{...}縮排整齊整齊 i = i + 1 print("台灣第" + str(i) + a[t])