92 lines
1.6 KiB
Python
92 lines
1.6 KiB
Python
# 1. 列表求和
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lst = [1, 2, 3, 4, 5]
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total = sum(lst)
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print(f"列表的和是 {total}")
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# 2. 找出列表中的最大值
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lst = [1, 2, 3, 4, 5]
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max_value = max(lst)
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print(f"列表中的最大值是 {max_value}")
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# 3. 找出列表中的最小值
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lst = [3, 1, 4, 1, 5]
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min_value = min(lst)
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print(f"列表中的最小值是 {min_value}")
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# 4. 列表元素去重
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lst = [1, 2, 2, 3, 4, 4, 5]
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unique_lst = list(set(lst))
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print(f"去重后的列表是 {unique_lst}")
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# 5. 计算列表中的元素个数
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lst = [1, 2, 3, 4, 5]
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count = len(lst)
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print(f"列表中元素的个数是 {count}")
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# 6. 反转列表
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lst = [1, 2, 3, 4, 5]
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reversed_lst = lst[::-1]
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print(f"反转后的列表是 {reversed_lst}")
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# 7. 合并两个列表
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lst1 = [1, 2, 3]
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lst2 = [4, 5, 6]
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merged_lst = lst1 + lst2
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print(f"合并后的列表是 {merged_lst}")
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# 8. 计算列表中元素的平均值
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lst = [1, 2, 3, 4, 5]
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average = sum(lst) / len(lst)
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print(f"列表的平均值是 {average}")
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# 9. 查找列表中指定元素的索引
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lst = [10, 20, 30, 40, 50]
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element = 30
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if element in lst:
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index = lst.index(element)
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print(f"元素 {element} 的索引是 {index}")
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else:
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print(f"元素 {element} 不在列表中")
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# 10. 列表中的元素求积
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lst = [1, 2, 3, 4]
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product = 1
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for num in lst:
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product *= num
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print(f"列表元素的积是 {product}")
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# 11.判断列表是否为空
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lst = []
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if not lst:
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print("列表为空：True")
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else:
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print("列表为空：False")
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# 12. 删除列表中的指定元素
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lst = [1, 2, 3, 2, 4]
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element_to_remove = 2
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while element_to_remove in lst:
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lst.remove(element_to_remove)
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print(f"删除后的列表是 {lst}")
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