#编写程序将列表中的偶数变成他的平方
def word_len(s):
# s = [i ** 2 for i in s if i % 2 == 0]
L = []
for i in s:
if(i % 2 == 0):
L.append(i** 2)
else:
L.append(i)
return L
def main():
s = [2, 6, 1, 3, 9, 4, 22]
print(word_len(s))
main()