diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/3\347\217\255/3\347\217\255_Flowey/\347\254\254\345\233\233\345\221\250\347\254\254\344\270\200\350\212\202.py" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/3\347\217\255/3\347\217\255_Flowey/\347\254\254\345\233\233\345\221\250\347\254\254\344\270\200\350\212\202.py"
new file mode 100644
index 0000000000000000000000000000000000000000..aaf9f97b8215f46d281aad7b1a4491193b3da89a
--- /dev/null
+++ "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/3\347\217\255/3\347\217\255_Flowey/\347\254\254\345\233\233\345\221\250\347\254\254\344\270\200\350\212\202.py"
@@ -0,0 +1,31 @@
+import datetime
+#datetime->str
+now = datetime.datetime.now()
+print(now)
+now = now.strftime("%Y-%m-%d %H-%M-%S")
+print(now)
+#str->datetime
+a = datetime.datetime.now()
+b = a.strftime("%Y-%m-%d %H:%M:%S")
+c = datetime.datetime.strptime(b,"%Y-%m-%d %H:%M:%S")
+print(c)
+#datetime->timestamp
+a = datetime.datetime.now()
+b = a.timestamp()
+print(b)
+
+#输出时间
+def shijian():
+    a = input(("输入-1获取当前时间:"))
+    if a == "-1":
+        now = datetime.datetime.now()
+        now = now.strftime("%Y-%m-%d")
+        print(now)
+    else:
+        print("输入错误")
+
+
+shijian()
+
+
+
diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/3\347\217\255/3\347\217\255_Flowey/\347\254\254\345\233\233\345\221\250\347\254\254\344\270\211\350\212\202.py" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/3\347\217\255/3\347\217\255_Flowey/\347\254\254\345\233\233\345\221\250\347\254\254\344\270\211\350\212\202.py"
new file mode 100644
index 0000000000000000000000000000000000000000..c3d84b71fc471877f054ba08c45d34e2a96e62f1
--- /dev/null
+++ "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/3\347\217\255/3\347\217\255_Flowey/\347\254\254\345\233\233\345\221\250\347\254\254\344\270\211\350\212\202.py"
@@ -0,0 +1,40 @@
+class Mymath:
+    @staticmethod
+    def add(a, b):
+        return a + b
+
+    def sub( a, b):
+        return a - b
+
+    def mul(a, b):
+        return a * b
+
+    def div(a, b):
+        return a / b
+
+    def squ(a, b):
+        return a ** b
+
+    def sqrt(a):
+        return float(a ** (1 / 2))
+
+
+print(Mymath.sub(10, 4))
+
+
+
+class badminton:
+    __stature = 25
+    def __init__(self, a, b, c):
+        self.ball = a
+        self.battledore = b
+        self._player = c
+ 
+
+    @classmethod
+    def money(cls):
+        print("总共100元")
+        return cls.money
+
+badminton.money()
+print(badminton._badminton__stature)
\ No newline at end of file
diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/3\347\217\255/3\347\217\255_Flowey/\347\254\254\345\233\233\345\221\250\347\254\254\344\272\214\350\212\202.py" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/3\347\217\255/3\347\217\255_Flowey/\347\254\254\345\233\233\345\221\250\347\254\254\344\272\214\350\212\202.py"
new file mode 100644
index 0000000000000000000000000000000000000000..d48ad1669c88cf29750ecbfe0e694a30e22a6c35
--- /dev/null
+++ "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/3\347\217\255/3\347\217\255_Flowey/\347\254\254\345\233\233\345\221\250\347\254\254\344\272\214\350\212\202.py"
@@ -0,0 +1,50 @@
+class Mymath:
+    def add(self, a, b):
+        return a + b
+
+    def sub(self, a, b):
+        return a - b
+
+    def mul(self, a, b):
+        return a * b
+
+    def div(self, a, b):
+        return a / b
+
+    def squ(self, a, b):
+        return a ** b
+
+    def sqrt(self, a):
+        return float(a ** (1 / 2))
+
+
+result = Mymath()
+print(result.sub(10, 4))
+
+
+class badminton:
+    def __init__(self, a, b, c):
+        self.ball = a
+        self.battledore = b
+        self.player = c
+
+    def play(self):
+        print(f"{self.player}打球，用{self.battledore}打{self.ball}")
+
+
+play_1 = badminton("羽毛球", "尤尼克斯", "林丹")
+print(play_1.play())
+
+
+
+class battledore(badminton):
+    def banshu(self):
+        print("25磅")
+
+class YONEX(badminton):
+    def pingpai(self):
+        print("尤尼克斯")
+
+a = battledore("羽毛球", "尤尼克斯", "林丹")
+print(f"{a.player}")
+a.banshu()
\ No newline at end of file