Modify itertools.py and print.py and move new feature trial file to specific directory

Signed-off-by: Jackey <mjjackey@163.com>

Author: mjjackey

Self.py renamed to PythonNewFeature/Self.py

@@ -7,7 +7,6 @@ def __init__(self, name: str):
     def clone(self) -> Self:  # 返回类型是当前类或其子类
         return type(self)(self.name)
 
-class Dog(Animal):
     def bark(self) -> str:
         return "Woof!"
 

TypedDict.py renamed to PythonNewFeature/TypedDict.py

@@ -2,10 +2,10 @@
 from itertools import batched
 numbers: list[int]=[1,2,3,4,5,6,7]
 my_batch: batched=batched(numbers,n=3)
-print(list(my_batch))
+print(list(my_batch)) # [(1, 2, 3), (4, 5, 6), (7,)]
 my_batch2: batched=batched(numbers,n=2)
-print(next(my_batch2))
-print(next(my_batch2))
+print(next(my_batch2)) # (1, 2)
+print(next(my_batch2)) #(3, 4)
 
 #2. zip_longest()
 from itertools import zip_longest

Typing.py renamed to PythonNewFeature/Typing.py

@@ -1,10 +1,15 @@
 if __name__ == "__main__":
     PI = 3.141592653
-    print('%10.3f'%PI)
+    print('PI=%10.3f'%PI) # 精度为3, 总长为10, 需要缩进.
 
-    print("PI=%.*f" % (3, PI))
     # 用*从后面的元组中读取字段宽度或精度,可以读取出来精度是3位
     # PI=3.142
     # 没有指定宽度，所以不需要缩进
-    print("PI=%*.3f" % (10, PI))  # 精度为3，总长为10.
+    print("PI=%.*f" % (3, PI))
+
+    print("PI=%*.3f" % (10, PI))  # 精度为3, 总长为10, 需要缩进.
+
+    str_temp='%.2f %s haha $%d'
+    str1 = str_temp % (4.88,'hola',2)
+    print(str1)