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- from random import random
- from math import pow
- CARA = True;
- CRUZ = False;
- def lanzar_moneda():
- return random()<0.5;
- def jugar():
- contador = 0
- while(lanzar_moneda()):
- contador = contador + 1
- if contador > 0:
- return pow(2, contador)
- return 0
- def media_jugar_n_veces(n):
- suma = 0
- for i in range(0, n):
- suma = suma + jugar()
- return suma / n
- if __name__ == '__main__':
- print media_jugar_n_veces(1000000)
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