A golfing "framework" for Python.

g.py

stack = []

A = 10
B = 11
C = 12
D = 13
E = 14
F = 15
G = 16
H = 17
I = 18
J = 19
K = 20
L = []
M = ""
N = "\n"
O = ""
P = 3.141592653589793
Q = ""
R = ""
S = " "
T = 0
U = 0
V = 0
W = -1
X = 1
Y = 2
Z = 3

def a():
    """Add. Pop y, x: push x + y."""
    y = stack.pop()
    x = stack.pop()
    stack.append(x + y)

def b():
    """Bring the bottom of stack to the top of stack."""
    stack.append(stack.pop(0))

def c():
    """Copy the top of stack on top of stack."""
    stack.append(stack[-1])

def d():
    """Divide. Pop y, x: push x / y, floored."""
    y = stack.pop()
    x = stack.pop()
    stack.append(x // y)

def f():
    """Flip the top of stack and second-to-top of stack so that the former
    becomes the latter and vice versa."""
    stack[-2], stack[-1] = stack[-1], stack[-2]

def g():
    """Greater than. Pop y, x: push 1 (truthy) if y > x, else 0."""
    y = stack.pop()
    x = stack.pop()
    stack.append(int(y > x))

def i():
    """Input a character and push its ASCII value on top of stack."""
    byte = ord(sys.stdin.read(1) or '\0')
    stack.append(byte)

def k():
    """Kill the stack, removing every value."""
    del stack[:]

def m():
    """Multiply. Pop y, x: push x * y."""
    y = stack.pop()
    x = stack.pop()
    stack.append(x * y)

def o():
    """Output the top of stack as a numeral."""
    print str(stack.pop())

def p():
    """Print the top of stack as an ASCII character."""
    print chr(stack.pop())

def q():
    """Nop."""
    pass

def r():
    """Remainder. Pop y, x: push x % y."""
    y = stack.pop()
    x = stack.pop()
    stack.append(x % y)

def s():
    """Subtract. Pop y, x: push y - x."""
    y = stack.pop()
    x = stack.pop()
    stack.append(y - x)

def u():
    """Unbring the top of stack to the bottom of stack."""
    stack.insert(0, stack.pop())

def w():
    """Push 100."""
    stack.append(100)

def x():
    """Discard the top of stack."""
    stack.pop()

def z():
    """Pop the top of stack, and push 1 if it is falsy and 0 otherwise."""
    stack[-1] = int(not stack[-1])

def h(item):
    """Push an item to the stack."""
    stack.append(item)

def e(items):
    """Execute the one-char functions corresponding to the items."""
    itemlist = list(items)
    for i in range(len(itemlist)):
        itemlist[i] = itemlist[i] + "()"
    for j in itemlist:
        exec j

def j():
    """Input a number and push it on top of stack."""
    stack.append(int(raw_input()))

def l():
    """Divide. Pop y, x: push x / y."""
    y = stack.pop()
    x = stack.pop()
    stack.append(x / y)