my_list = ["Python", "is", "fun", "to", "learn"]

print("列表是：")
print(my_list)

my_char_list = ['e', 't', 's', 'm', 'n']

my_key = 2
print("键的值为：")
print(my_key)

my_result = [element for element in my_list if sum(ch in my_char_list for ch in element) >= my_key]

print("结果列表是：")
print(my_result)

列表是：
['Python'，'is'，'fun'，'to'，'learn']
键的值为：
2
结果列表是：
['Python'，'learn']