如何在python中连接两个列表
代码示例
python如何将一个列表添加到另一个列表中
# Basic syntax:
first_list.append(second_list) # Append adds the the second_list as an
# element to the first_list
first_list.extend(second_list) # Extend combines the elements of the
# first_list and the second_list
# Note, both append and extend modify the first_list in place
# Example usage for append:
first_list = [1, 2, 3, 4, 5]
second_list = [6, 7, 8, 9]
first_list.append(second_list)
print(first_list)
--> [1, 2, 3, 4, 5, [6, 7, 8, 9]]
# Example usage for extend:
first_list = [1, 2, 3, 4, 5]
second_list = [6, 7, 8, 9]
first_list.extend(second_list)
print(first_list)
--> [1, 2, 3, 4, 5, 6, 7, 8, 9]加入列表python
first_list = ["1", "2"]
second_list = ["3", "4"]
# Multiple ways to do this:
first_list += second_list
first_list = first_list + second_list
first_list.extend(second_list)
python串联列表
a = [1, 2, 3]
b = [4, 5]
# method 1:
c = a + b # forms a new list with all elements
print(c) # [1, 2, 3, 4, 5]
# method 2:
a.extend(b) # adds the elements of b into list a
print(a) # [1, 2, 3, 4, 5]类似页面
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