
x = ["a", "b", "c", "d"]

print x[0]
print x[1]
print x[False]
print x[True]

x[False] = x[True]

print x


x = ["a", "b", "c", "d"]

print x[0]
print x[1]
print x[False]
print x[True]

x[False] = x[True]

print x
