語法 :: global 陳述句

• 在函式中使用

def f():
    global x = 1 # SyntaxError: invalid syntax

print(x) # NameError: name 'x' is not defined

def f():
    global x
    x = 1

print(x) # NameError: name 'x' is not defined

f()
print(x) # 1