Python基础之字符串

1.字符串拼接
https://blog.csdn.net/weixin_42257924/article/details/112512585
关键用法：print("%s,%s" % (str1, str2))
join方法：str_join2 = '-'.join(list1)

2.字符串格式化
https://pythontect.com/python-d-for-formatting-integer-inside-string/
关键用法：print("My age is %d" % (age) )