在Python中,join()
函数是一个字符串方法,用于将一个可迭代对象(如列表、元组等)中的元素连接成一个字符串,连接时可以指定一个分隔符,默认为空字符串。
1、使用空字符串作为分隔符:
separator = "" words = ["Hello", "World"] result = separator.join(words) print(result) # 输出:HelloWorld
2、使用指定的分隔符:
separator = "" words = ["Hello", "World"] result = separator.join(words) print(result) # 输出:HelloWorld
words = ["Hello", "World"] result = "".join(words) print(result) # 输出:HelloWorld
words = ("Hello", "World") result = "".join(words) print(result) # 输出:HelloWorld
dict_words = {"first": "Hello", "second": "World"} result = "".join(dict_words.keys()) print(result) # 输出:firstsecond
numbers = [1, 2, 3, 4, 5] result = "".join([str(num) for num in numbers]) print(result) # 输出:12345