# 原始元素列表
elements = [
    {'name': 'A', 'position': 'Group1'},
    {'name': 'B', 'position': 'Group2'},
    {'name': 'C', 'position': 'Group1'},
    {'name': 'D', 'position': 'Group2'},
]

# 新元素
new_element = {'name': 'E', 'position': 'Group1'}

# 创建一个字典用于存储分组信息
groups = {}

# 遍历原始元素列表，将元素分组
for element in elements:
    position = element['position']
    if position not in groups:
        groups[position] = []
    groups[position].append(element)

# 根据新元素的位置信息确定其所属的组别
new_position = new_element['position']
if new_position not in groups:
    groups[new_position] = []
groups[new_position].append(new_element)

# 打印分组结果
for position, group in groups.items():
    print(f"Group {position}:")
    for element in group:
        print(element['name'])
    print()

Group Group1:
A
C
E

Group Group2:
B
D