from math import *
p=-1
print ("Calcule du perimetre")
print ("        de")
print ("figure geometrique")
print ("")
print ("(1) parallelo.   cercle (2)")
print ("(3) rectangle  triangle (4)")
print ("(5) carre       losange (6)")
print ("")
Choix=int(input("faire le choix [1 ; 6] "))
if Choix==1:
  print ("Perimetre")
  print ("parallelogramme")
  print ("")
  print ("p= 2 * (a+b)")
  print ("")
  a=float(input("a ? "))
  b=float(input("b ? "))
  p=(2*(a+b))
if Choix==2:
  print ("perimetre cercle")
  print ("")
  print ("p= 2 * Pi * r")
  print ("")
  r=float(input("r ? "))
  p=(2*pi*r)
if Choix==3:
  print ("Perimetre rectangle")
  print ("")
  print (" p= 2 * (L+l)")
  print ("")
  L=float (input("L ?"))
  l=float (input("l ?"))
  p= 2 * (L+l)
if Choix==4:
  print ("Perimetre triangle")
  print ("")
  print ("p= a+b+c")
  print ("")
  a=float(input("a ? "))
  b=float(input("b ? "))
  c=float(input("c ? "))
  p=a+b+c
if Choix==5:
  print ("Perimetre carre")
  print ("")
  print ("p= 4 * c")
  print ("")
  c=float(input("c = "))
  p=(4*c)
if Choix==6:
  print ("Perimetre du losange")
  print ("")
  print ("P= 4 * c")
  print ("")
  c=float(input("c = "))
  P=(4*c)
p=round(p, 4)
print ("Perimetre = ",p)
Choix=int(input("PAUSE"))