打印列表中紧邻另一个字符串的所有元素

def print_adjacent_elements(lst, target):
    result = []
    for i in range(len(lst)):
        if lst[i] == target:
            if i > 0 and lst[i-1]:
                result.append(lst[i-1])
            if i < len(lst)-1 and lst[i+1]:
                result.append(lst[i+1])
    print(result)

# 示例调用
my_list = ['apple', 'banana', 'orange', 'banana', 'pear', 'banana']
my_target = 'banana'
print_adjacent_elements(my_list, my_target)