s1={"名字":"張三","年齡":"25","特長":["繪畫","籃球"]} s2={"名字":"李四","年齡":"21","特長":["短跑","跳高"]} c1={"班級":"1班","學員":[s1,s2]} s3={"名字":"王五","年齡":"27","特長":["古典樂器"]} s4={"名字":"李明","年齡":"23","特長":["武術","長跑"]} c2={"班級":"2班","學員":[s3,s4]} group=[c1,c2]print(s1["名字"]) print("==") print(s2["特長"]) print("==") print(c1["學員"]) print("==") print(c2["班級"]) print("==") for c in group:for s in c["學員"]:print(s["名字"])print(s["特長"])print("-----") print("==")

結果如下

張三 == ['短跑', '跳高'] == [{'名字': '張三', '年齡': '25', '特長': ['繪畫', '籃球']}, {'名字': '李四', '年齡': '21', '特長': ['短跑', '跳高']}] == 2班 == 張三 ['繪畫', '籃球'] ----- 李四 ['短跑', '跳高'] ----- 王五 ['古典樂器'] ----- 李明 ['武術', '長跑'] -----== s1={"名字":"張三","年齡":"25","特長":["繪畫","籃球"]} s2={"名字":"李四","年齡":"21","特長":["短跑","跳高"]} c1={"班級":"1班","學員":[s1,s2]} for key1 in c1.keys():if key1=="學員":for s in c1[key1]:for key2 in s.keys():print(s[key2])else:print(c1[key])

結果如下

[{'名字': '張三', '年齡': '25', '特長': ['繪畫', '籃球']}, {'名字': '李四', '年齡': '21', '特長': ['短跑', '跳高']}] 張三 25 ['繪畫', '籃球'] 李四 21 ['短跑', '跳高'] print(dict([("名字","李四"),("年齡","21"),("特長",["短跑","跳高"])]))

{‘名字’: ‘李四’, ‘年齡’: ‘21’, ‘特長’: [‘短跑’, ‘跳高’]}

s1={"名字":"張三","年齡":25,"特長":["繪畫","籃球"]} s1["年齡"]=27 print(s1) del s1["年齡"] print(s1)

{‘名字’: ‘張三’, ‘年齡’: 27, ‘特長’: [‘繪畫’, ‘籃球’]}
{‘名字’: ‘張三’, ‘特長’: [‘繪畫’, ‘籃球’]}

s1={"名字":"張三","年齡":"25","特長":["繪畫","籃球"]} s2={"名字":"李四","年齡":"21","特長":["短跑","跳高"]} c1={"班級":"1班","學員":[s1,s2]} for key,value in c1.items():if key=="學員":for s in value:for k,v in s.items():print(f"{k}===>{v}")else:print(f"{key}:{value}")

班級:1班
名字===>張三
年齡===>25
特長===>[‘繪畫’, ‘籃球’]
名字===>李四
年齡===>21
特長===>[‘短跑’, ‘跳高’]

總結

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