python字典DICT类型合并详解

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key = ['success', 'dangerous']
value = ''

# 返回的list
result_list = []
index = 0
while index < 4:
 # 中间字典，存储数据，以及防止append覆盖
 result_dict = {}
 _key = key[0]
 value = str(index)
 result_dict[_key] = value
 index = index + 1
 result_list.append(result_dict)
index = 0
return_list = []
print result_list
while index < 4:
 # 中间字典，存储数据，以及防止append覆盖
 result_dict = {}
 _key = key[1]
 value = str(index)
 result_dict[_key] = value
 dictMerge = dict(result_list[index].items() + result_dict.items())
 return_list.append(dictMerge)
 index = index + 1
print return_list 

key = ['success', 'dangerous']
value = ''

# 返回的list
result_list = []
index = 0
while index < 4:
 # 中间字典，存储数据，以及防止append覆盖
 result_dict = {}
 _key = key[0]
 value = str(index)
 result_dict[_key] = value
 index = index + 1
 result_list.append(result_dict)
index = 0
return_list = []
print result_list
while index < 4:
 # 中间字典，存储数据，以及防止append覆盖
 result_dict = {}
 _key = key[1]
 value = str(index)
 result_dict[_key] = value
 if int(result_list[index]['success']) % 2 != 0:
  dictMerge = dict(result_list[index].items() + result_dict.items())
  result_list.remove(result_list[index])
  result_list.append(dictMerge)
 index = index + 1
print result_list 

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