下面是一个解决方案的代码示例:
def double_words(word_list):
doubled_words = []
for word in word_list:
doubled_words.append(word * 2)
return doubled_words
# 示例用法
words = ["hello", "world", "python"]
result = double_words(words)
print(result)
输出结果为:["hellohello", "worldworld", "pythonpython"]