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f = open("input");
#f = open("testinput");
'''
test1 = ord("a") - ord("A");
test2 = ord("b") - ord("B");
test3 = ord("c") - ord("C");
print(test1, " ",test2, " ",test3, " ")
'''
cdiff = 32;
def polymer_d(a,b):
return (cdiff == abs(ord(a) - ord(b)));
myinput = f.read();
print(myinput);
print(len(myinput));
is_poly = True;
'''
while is_poly:
is_poly = False;
for x in range(1,len(myinput)):
x1 = myinput[x-1];
x2 = myinput[x];
if polymer_d(x1,x2):
#print((x1+x2));
#myinput = myinput.replace((x1+x2),"");
myinput = myinput[
is_poly = True;
break;
#is_poly = False;
'''
while is_poly:
is_poly = False;
sub = "";
for x in range(2,len(myinput)):
x1 = myinput[x-2];
x2 = myinput[x-1];
if polymer_d(x1,x2):
myinput = sub + myinput[x:];
is_poly = True;
break;
else:
sub += x1;
#print(myinput);
print(len(myinput));
print(myinput);
myinput.rstrip("\n");
print("part 1", len(myinput) -1);
#9687 too high
#minus 1 helped lol, not sure why
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