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給定一個字典,然後按鍵(key)或值(value)對字典進行排序。
def dictionairy(): # 聲明字典 key_value ={} # 初始化 key_value[2] = 56 key_value[1] = 2 key_value[5] = 12 key_value[4] = 24 key_value[6] = 18 key_value[3] = 323 print ("按鍵(key)排序:") # sorted(key_value) 返回重新排序的列表 # 字典按鍵排序 for i in sorted (key_value) : print ((i, key_value[i]), end =" ") def main(): # 調用函數 dictionairy() # 主函數if __name__=="__main__": main()
或者!
def dictionairy(): # 聲明字典 key_value ={} # 初始化 key_value[2] = 56 key_value[1] = 2 key_value[5] = 12 key_value[4] = 24 key_value[6] = 18 key_value[3] = 323 print ("按值(value)排序:") print(sorted(key_value.items(), key = lambda kv:(kv[1], kv[0]))) def main(): dictionairy() if __name__=="__main__": main()
再或者!
lis = [{ "name" : "Taobao", "age" : 100}, { "name" : "Runoob", "age" : 7 }, { "name" : "Google", "age" : 100 }, { "name" : "Wiki" , "age" : 200 }] # 透過 age 升序排序print ("列表透過 age 升序排序: ")print (sorted(lis, key = lambda i: i['age']) )print ("") # 先按 age 排序,再按 name 排序print ("列表透過 age 和 name 排序: ")print (sorted(lis, key = lambda i: (i['age'], i['name'])) )print ("") # 按 age 降序排序print ("列表透過 age 降序排序: ")print (sorted(lis, key = lambda i: i['age'],reverse=True) )
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