写一个python代码：1.查找元组中以a或A开头并且以c 结尾的所有元素。 tu = ("alec", " Aric", "Alex", "Tony", "rain")

tu = ("alec", "Aric", "Alex", "Tony", "rain")
for i in tu:
ret = i.strip() # 删除字符串当前行首尾的的空格
if (ret.startswith('a') or ret.startswith('A')) and ret.endswith('c'):
print(ret) # 输出结果：alec Aric