variable model

print('global sample1')
x = 1
def a():
    x=2
    print(x)
a()
print(x)


print('global sample2')
x = 1
def a():
    global x
    x +=1
    y = 1
    print(x, y)
a()
print(x)
a()

print('global sample3')
def a():
    global x
    x =1
    y = 1
    print(x, y)
a()
x +=1
print(x)
a()

print('global sample4')
def a(y):
    global x
    x =1
    y = 1
    print(x,y)
a(1)
x +=1
print(x)
a(1)

print('global sample5')
def a():
    global x
    x =1
    print(x)
def b():
    a()
b() #run
x +=1
print(x) #run

print('global sample6')
def a(y):
    global x
    x =1
    y +=1
    print(x)
def b():
    a(1)
b() #run
x +=1
print(x) #run

print('global sample7')
def a(y):
    global x
    x =1
    y +=1
    print(x)
def b():
    def c():
        a(1)
    c()
b() #run
x +=1
print(x) #run

print('global sample8')
def a():
    print(x)
def b():
    global x
    x = 1
    #local y
    def c():
        def d():
            y = 2
            print(y)
            a()
        d()
    c()
b()
    

print('global sample10')
def a():
    print(x)
def b():
    global x
    x = 1
    #local y
    def c():
        y = 2
        def d():
            print(y)
            a()
        d()
    c()
b()

print('global sample9')
def a():
    print(x)
def b():
    global x
    x = 1
    #local y
    def a():
        print('I am from function a')
    def c():
        def d():
            y = 2
            print(y)
            a()
        d()
    c()
b()

print('global sample11')
def a():
    print(x)
y = 0
def b():
    global x
    x = 1
    y = 2
    def c():
        nonlocal y
        y = y + 1
        def d():
            nonlocal y
            y = y + 1
            #print(y)
            a()
        d()
    c()
    print(y)
b()
print(y)
dic = {'a':1,"b":2,"c":a}
dic = ['c']()