Sample code for the article on namespace

Author: lpozo

python-namespace/README.md

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+# Namespaces and Scope in Python
+
+This folder provides the code examples for the Real Python tutorial [Namespaces and Scope in Python](https://realpython.com/python-namespaces-scope/).

python-namespace/globa_stmt.py

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+x = 20
+
+
+def f():
+    global x
+    x = 40
+    print(x)
+
+
+f()
+print(x)
+
+
+# x, y, z = 10, 20, 30
+
+
+# def f():
+#     global x, y, z

python-namespace/globals_func.py

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+globals()["message"] = "Welcome to Real Python!"
+
+print(message)
+globals()["message"] = "Hello, World!"
+print(message)

python-namespace/legb_1.py

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+x = "global"
+
+
+def outer():
+    def inner():
+        print(x)
+
+    inner()
+
+
+outer()

python-namespace/legb_2.py

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+x = "global"
+
+
+def outer():
+    x = "enclosing"
+
+    def inner():
+        print(x)
+
+    inner()
+
+
+outer()

python-namespace/legb_3.py

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+x = "global"
+
+
+def outer():
+    x = "enclosing"
+
+    def inner():
+        x = "local"
+        print(x)
+
+    inner()
+
+
+outer()

python-namespace/legb_4.py

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+def outer():
+    def inner():
+        print(x)
+
+    inner()
+
+
+outer()

python-namespace/local_variables.py

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+def double_number(number):
+    result = number * 2
+    print(dir())
+    return result
+
+
+double_number(4)

python-namespace/locals_func.py

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+def func(x, y):
+    message = "Hello!"
+    print(locals())
+
+
+func(10, 0.5)
+
+
+# def func():
+#     message = "Hello!"
+#     loc = locals()
+#     print(loc)
+#     number = 42
+#     print(f"{loc=}")
+#     loc["message"] = "Welcome!"
+#     print(f"{loc=}")
+#     print(locals())
+
+
+# func()

python-namespace/mutability.py

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+x = 20
+
+
+def f():
+    x = 40
+    print(x)
+
+
+f()
+print(x)
+
+
+# fruits = ["apple", "banana", "cherry", "mango"]
+
+
+# def f():
+#     fruits[1] = "peach"
+
+
+# f()
+# print(fruits)
+
+
+# fruits = ["apple", "banana", "cherry", "mango"]
+
+
+# def f():
+#     fruits = ["grapes", "orange"]
+
+
+# f()
+# fruits