The remove() function is used to remove the first match of a value in the list. Syntax: list.remove(obj) obj is the object to be removed, the following is the specific application:
if __name__ == '__main__':
li = ["123", "a", 45, "bcd", "a"]
# remove函数移除掉满足条件的第一个元素
li.remove("a")
print(li)