def hornercompleto (a,x):
  b=0; v=[]
  for ak in a: b=b*x+ak; v.append(b)
  return v

def taylor (a,x):
  v=a # Corretto, ma cfr. terza colonna.
  w=[]
  while v:
    v=hornercompleto(v,x)
    w.append(v.pop())
  return w

a=(3,5,6,8,7)
print taylor(a,2)
# [135, 188, 108, 29, 3]
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def f(x,y): return x+2*y

print f(y=2,x=7)
# 11
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def f(x,y,z): return x+2*y+3*z

print f(2,z=4,y=1)
# 16
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def f(x,y,z=4): return x+2*y+3*z

print f(2,1)
# 16

print f(2,1,5)
# 19

print f(2,z=5,y=1)
# 19

def tel (nome,numero,prefisso='0532'):
  return [nome,prefisso+'-'+numero]

print tel('Rossi','974002')
# ['Rossi', '0532-974002']
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def f(x,v=[]): v.append(x); print v

f(7)
# [7]

f(8)
# [7, 8]
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def f(x,y=3): print x+y; y+=1

f(1)
# 4

f(1)
# 4 - perche' y non e' mutabile.
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def f(x,a):
  b=a; b.append(x); return b

a=[1,2]

f(4,a)
print a
# [1, 2, 4]

f(5,a)
print a
# [1, 2, 4, 5]
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def f(x): print x+3
f(7)
# 10

def f(x,y): print x+y
f(3,9)
# 12