![Python编程实现将列表s=[2, 4, 2, 3, 1, 2, 3, 4 ,5, 8, 4, 3]中的偶数变为它的平方,奇数保持不变。,第1张 Python编程实现将列表s=[2, 4, 2, 3, 1, 2, 3, 4 ,5, 8, 4, 3]中的偶数变为它的平方,奇数保持不变。,第1张](/aiimages/Python%E7%BC%96%E7%A8%8B%E5%AE%9E%E7%8E%B0%E5%B0%86%E5%88%97%E8%A1%A8s%3D%5B2%2C+4%2C+2%2C+3%2C+1%2C+2%2C+3%2C+4+%2C5%2C+8%2C+4%2C+3%5D%E4%B8%AD%E7%9A%84%E5%81%B6%E6%95%B0%E5%8F%98%E4%B8%BA%E5%AE%83%E7%9A%84%E5%B9%B3%E6%96%B9%EF%BC%8C%E5%A5%87%E6%95%B0%E4%BF%9D%E6%8C%81%E4%B8%8D%E5%8F%98%E3%80%82.png)
s = [2, 4, 3, 1, 2, 3, 4, 5, 8, 4, 3]
print("变换前:", s)
for i in range(0, len(s)):
if s[i] % 2 == 0: #s[i]为对应s列表中下标为i的元素
s[i] = s[i]*s[i]
print("变换后:", s)
# 运行效果如下:
变换前: [2, 4, 3, 1, 2, 3, 4, 5, 8, 4, 3]
变换后: [4, 16, 3, 1, 4, 3, 16, 5, 64, 16, 3]
运行效果如下:
变换前: [2, 4, 3, 1, 2, 3, 4, 5, 8, 4, 3]
变换后: [4, 16, 3, 1, 4, 3, 16, 5, 64, 16, 3]
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