Python字典遍历
1 def dict_test(): 2 #初始化字典 3 dict= {"a1":"1","a2":"2","a3":"3"} 4 5 #遍历Key 6 print("遍历Key\n") 7 for key in dict: 8 print(key+':'+dict[key]) 9 #遍历Key 10 print("遍历Key\n") 11 for key in dict.keys(): 12 print(key + ':' + dict[key]) 13 #遍历Value 14 print("遍历Value\n") 15 for value in dict.values(): 16 print(value) 17 #遍历字典项 18 print("遍历字典项\n") 19 for kv in dict.items(): 20 print(kv) 21 #遍历键值对 22 print("遍历键值对\n") 23 for k,v in dict.items(): 24 print("k:",k,"v:",v) 25 if __name__ == '__main__': 26 dict_test()
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