The statement `global myName` will let you modify the global...

The statement global myName will let you modify the global variable myName inside a function.

Here's what the code does:

• In Python, if you want to modify a global variable inside a function (rather than create a new local variable with the same name), you must explicitly declare the variable as global using the global keyword.
• Without the global keyword, assignment statements inside the function will create a new local variable, leaving the global myName unchanged.

For example:

myName = "Alice"  # global variable

def modify_name():
    global myName  # Declare that we are modifying the global variable
    myName = "Bob"  # This modifies the global variable

modify_name()
print(myName)  # Output: Bob

Without the global keyword:

myName = "Alice"  # global variable

def modify_name():
    myName = "Bob"  # This creates a local variable instead
    print(myName)  # Output: Bob (local)

modify_name()
print(myName)  # Output: Alice (global remains unchanged)

The global myName statement is necessary if you want to modify the global variable myName inside the function.