diff --git a/pythonProject/内置函数/global.py b/pythonProject/内置函数/global.py
new file mode 100644
index 0000000..02b43f5
--- /dev/null
+++ b/pythonProject/内置函数/global.py
@@ -0,0 +1,10 @@
+def fun():
+    global a
+    a = 101
+    print(a)
+# 函数正常调用
+fun()
+print('-------------')
+
+#调用内部由global定义的变量
+print(a)
diff --git a/pythonProject/内置函数/nonlocal.py b/pythonProject/内置函数/nonlocal.py
new file mode 100644
index 0000000..88e0e35
--- /dev/null
+++ b/pythonProject/内置函数/nonlocal.py
@@ -0,0 +1,16 @@
+
+""""
+nonlocal 是一个关键字
+用于在嵌套函数（即内部函数）中修改外层函数（非全局作用域）中的变量。
+"""
+def fun1():
+    b = 100
+    def fun2():
+        nonlocal b
+        b = 300
+        print(b)
+    fun2()
+    print(b)
+fun1()
+print('----')
+print(b)
\ No newline at end of file
diff --git a/pythonProject/闭包/1.py b/pythonProject/闭包/1.py
new file mode 100644
index 0000000..7107f10
--- /dev/null
+++ b/pythonProject/闭包/1.py
@@ -0,0 +1,10 @@
+"""
+闭包函数
+函数内部调用了函数外部的局部变量，并且外部函数返回内部函数即为闭包函数
+"""
+def func1():
+    a = 1001
+    def func2():
+        return  a
+    return func2
+print(func1()())
\ No newline at end of file