获取长度为n的两个元素的所有组合的列表

from itertools import combinations

def get_combinations(n):
    elements = list(range(1, n + 1))
    comb_list = list(combinations(elements, 2))
    return comb_list

# 示例：获取长度为5的两个元素的所有组合
n = 5
combinations_list = get_combinations(n)
print(combinations_list)

from itertools import combinations

def get_combinations_generator(n):
    elements = list(range(1, n + 1))
    for combo in combinations(elements, 2):
        yield combo

# 示例：使用生成器获取长度为5的两个元素的所有组合
n = 5
combinations_generator = get_combinations_generator(n)
for combo in combinations_generator:
    print(combo)