Pruebas localidad

# variable inmutable
def foo1(var):
    var = 2
    print(var)
var1 = 1
foo1(var1)
print(var1)
# output:
# 2
# 1

# variable mutable redefinicion
def foo2(var):
    var = [1, 2]
    print(var)
var2 = [1]
foo2(var2)
print(var2)
# output:
# [1, 2]
# [1]

# variable mutable modificacion
def foo3(var):
    var.append(2)
    print(var)
var3 = [1]
foo3(var3)
print(var3)
# output:
# [1, 2]
# [1, 2]

# variable global redefinicion
def foo4():
    global var4
    var4 = 2
    print(var4)
var4 = 1
foo4()
print(var4)
# output:
# 2
# 2

# variable global modificacion
def foo5():
    global var5
    var5 += 1
    print(var5)
var5 = 1
foo5()
print(var5)
# output:
# 2
# 2