import time
import sys
t0=time.clock()
a=[]
f=open("in20_8.txt",'r')
w=open("out_r8_sec20_8.txt",'w')
count=0
for row in f:
    a=row    
h=0
for i in a:
    if i=='A' or i=='P'or i=='R'or i=='O' or i=='D':
        h=h+1
    if i=='B':
        h=h+1

w.write("No. of Holes in the text: "+str(h))
t1=time.clock()
t2=t1-t0
f.close()
memory=sys.getsizeof(a)+sys.getsizeof(f)+sys.getsizeof(w)+sys.getsizeof(t1)+sys.getsizeof(t2)
w.write("\nExecution Time:"+str(t2))
w.write("\nMemory Used:"+str(memory))
w.close()