經常使用數據類型間轉換字符串
str--->list split('')it
list-->str str1 = 'x'.join(l1)class
str-->tuple t1 = tuple(str1)數據類型
list-->tuple t1 = tuple(l1)數據
字符串---->字典dict
a='{"name":"yct","age":10}' di
print(a) # {"name":"yct","age":10} <class 'str'>字典