Day Ten

3 files changed, 146 insertions, 1 deletions

diff --git a/2021/02.py b/2021/02.py
index 2489b90..f6e9475 100644
--- a/2021/02.py
+++ b/2021/02.py
@@ -4,7 +4,6 @@ file = open("input/02.txt").readlines()
 
 hori = 0
 depth = 0
-
 for line in file:
     com = line.split()
     if com[0] == "forward":
diff --git a/2021/10.py b/2021/10.py
new file mode 100644
index 0000000..019abbc
--- /dev/null
+++ b/2021/10.py
@@ -0,0 +1,48 @@
+# Day Ten: Syntax Scoring
+
+file = open("input/10.txt").readlines()
+
+score = 0
+completions = []
+for line in file:
+    expected = ""
+    for char in line:
+        if char == "(":
+            expected += ")"
+        elif char == "[":
+            expected += "]"
+        elif char == "{":
+            expected += "}"
+        elif char == "<":
+            expected += ">"
+        elif char == expected[-1]:
+            expected = expected[0:-1]
+        else:
+            if char == ")":
+                score += 3
+            elif char == "]":
+                score += 57
+            elif char == "}":
+                score += 1197
+            elif char == ">":
+                score += 25137
+            else:
+                completions.append(expected[::-1])
+            break
+print(score)
+
+scores = []
+for seq in completions:
+    score = 0
+    for char in seq:
+        score *= 5
+        if char == ")":
+            score += 1
+        elif char == "]":
+            score += 2
+        elif char == "}":
+            score += 3
+        elif char == ">":
+            score += 4
+    scores.append(score)
+print(sorted(scores)[len(scores)//2])
diff --git a/2021/input/10.txt b/2021/input/10.txt
new file mode 100644
index 0000000..d6e08f8
--- /dev/null
+++ b/2021/input/10.txt
@@ -0,0 +1,98 @@
+{<[[<<<[[{[[<<()()>>[([]<>){{}{}}]]]<(<{{}<>}{{}{}}><{<>[]}[{}{}]>)({(())}<[(){}][(){}]>)>}]<<<(<<{}
+{[({({([({(((<[]()>[()<>]){[<>[]](<>[])})<<<[]()}>(<()()>)>)}[{((<{}[]>{<>()}){[<>{}]<<><>>})(({[]()}<<>()>)<
+(((([{{{<{<[[<()<>><<>{}>]]{<(<>())>}>{<[([]<>)<{}{}>][[<><>][<>[]]]>[{(<>{})[<>()]}<<()[]>[[]<
+<<[<([[{{{[({<<>()>}<<<>[]>([]())>){{{{}[]}<(){}>)}]{{[(()())[(){}]]<<[]{}>({}[])>}({<<><>>}<([]<>){()[]}>)}
+<[(({[({<<[[[{<>{}}(<><>))<(<>[])[{}[]]>]<[([][])[(){}]]>]([<[()()](<>[])>]<(<{}()>[{}<>])({<>[
+(<[[{[[[(<((<<{}{}><[]<>>><[{}<>][<>[]]>)<(<{}<>><{}{}>)[{()[]}<<>()>]>)>[(<{({}{})}[{()[]}{[]<>}]>){<(([]
+(([[({{{(<([({[]{}}){{[][]]}])>)[<([[[{}]{(){}}][([]())]]([{[][]}{<>()}](({}()){<>{}})))[{({
+{(<<([([(<<[{((){})([]<>)}]<{{{}{}}{{}[]}}<{(){}}{()[]})>><([<[]{}>([]<>)](<()<>>)){<([]<>
+{[<<[<{{((({<[[]{}]{{}}>{<{}<>>[<>[]]}})<{[(<><>><{}<>>][{[]{}}]}[[[[][]]<<>{}>]{[[]()][[]<>]}]>)[(
+({<(<([{<{<[(((){}){(){}})]>}[{{{{()()}<[]()>}{{<>()}<{}{}>}}[[{{}{}}[<><>]]{({}[]>[[]{}]}]}({{{()()
+{[[{([{<<{<(<<{}()>[()]>)<{{()()}}[<[][]>(<>{})]>>{[<{<>()){()<>}>{{()()}[<>()]}][[[{}[]]]<{{}[]}<()(
+{{<<<<<[[([{<[{}[]]{()<>}>{<<>()>{{}<>}}}<<{{}()}{()()}>{[()<>]({}[])]>]{[(<{}{}>)<({}[])>]<{({}<>)}{({}())
+({(<<{[<<{<(<[<>()][[][]]><[{}<>]({}[])>)[[[<>[]][[]()]]<{[]{}}[{}{}]>]>{[(<[]()>{<>{}})][<{{}}<{
+(<<<[[({<[[(<<[]{}>>[(()<>)[<>{}]])<{(<>[])}(<<>()>[[]{}])>]<[({[]()}{{}{}})<{{}()}<{}<>>>]>][[({<<>()>{[]()}
+{{{[<[([<(<{[([][])[{}[]]]{[()()]{{}()}}}><[<([][])(<>())><{()[]}({}<>)>]<<<(){}><<><>>>((()()){
+[(((([{({<(<(<[]<>>{()[]})><{(<><>){{}[]}}{(()<>)([][])}>)>})}][({{[[{<(<><>){{}()}>((<>()){<>[]
+([{<{<({(<[(<({}<>)><{[]}[{}[]]>)(<[[][]]{[]{}}>{{[]}((){})})]{(((()){{}()})(([][])({}{})))[(<()[]><(
+[([{{<{(<[{{((()())<[]{}>){{{}<>}<<><>>}}[<([]())>[(()[])<{}{}>]]}{[({(){}}{(){}])<<[]()>{{}()}>
+(<[<{{[<<({<<{<><>}><<()[]>[<><>]>>}{[(((){}){()<>}}<<[]()>{(){}}>]{{{{}[]}[{}<>]}[{{}{}}<(){}>]}}){{({
+<([([[<[({<<{{[][]}<{}[]>}<<()[]>[()<>]>>>})((<(<[[]]((){})>{([]()){<><>}})>)(<<<<[]<>>[[]()])>>([[
+[<<{<(<<{{[({<<>()><{}[]>})<{[<>()](<><>)}[{{}()}{[]()}]>]}}({<[{<()<>>}[<<>>]]((<[][]>{[][
+{{(<({[((<([({()<>})[{{}[]}(()<>))]{[{[]<>}][{()<>}]})([({<><>}{{}()})])>)({<(((()<>)(<><>)))>((
+[(<{({[<{<[<([{}()](<>{}))>]([([[]<>]<()<>>){<()>}]{{[[]()]{{}{}}}[{[]}{{}<>}]})>}<([<[<<>[]>]{<(){}>{
+[[[[<(<({<[[<{()}{{}[]}><[<><>]<()[]>>](<([]{})[{}]>)]>}<[{[[{(){}}]{(<><>)}][<<[][]>{(){}
+{(({({[{{((<[([]())((){})]>){[{(<>[])}<([]{})[[]<>]>]({<()<>>[[]<>]}[<()>{<>[]}])})({<([[][]]((){}))([<>{}])
+<(<(<<{[<<{<<[()[]][[]()]><([][])<{}()>>}}>[<<<<{}<>>>{[{}][{}{}]}>[<[()()]{{}[]}>[{[][]}([])]]>[[<<[][]>(
+<<{{({<<(([{{([][])(()<>)}}(<<[]{}>>)])([{[(()[])]}<{{<><>}<[]<>>}[<{}<>><[]<>)]>]{{<[{}[]]
+({[[[[(([[[{<({})([]())>{{<>{}}}}][[<<[]>[<>()]>]{[[[]<>][<>{}]]{[<>[]]}})][[<(<(){}>{()[]})><[[()[
+(((((([{{{(<<(<>{}){<>}><(()[])<()[]>>>{[<{}<>>(<>())}<{{}()}>})((([(){}]{<>})[{[]{}}{{}[]
+(([([(((<[(({[<>()]{[][]}})[{{[]()>[[]{}]}(<<>{}><{}<>>)]){[({[]}(<>[]))([()()][<>{}])]({({}
+[(<({{([[<(((<<>()>[[]<>])({{}()}<()<>>))[[{[]()}<()<>>][{()()}<{}[]>]])>({(<({}{})<()[]}>[{()
+{{{[([<{{{([<<<>{}>{()<>}>{<{}()><<><>>}]([{()}]))<{[<()()>{()[]}]{({}[])[<>()]}}>}}}({<(({({
+[([([<[<(<[{{{<>()}{()[]}}({()[]}[{}<>])}{[{<>}]([[][]]<(){}>)}]>[[{<[<>()][{}()]>(((){}>[<>[]])}{{{<>(
+{{[{{[[<{(<([[[][]]([]<>)])>)<{<<{<>()}[<>()]><((){})<<><>>>>([<<><>>(()<>)]([(){}}{[]<>}))}>}(({{{{[]}{
+[[[[({[<({{[[(<><>)]{<<>[]>([]{})}]<[{[]}{()()}]([<>()]([]<>>)>}})>{{<([{<{}{}>{()}}])({<[<>()](<><>)>
+{[({<[({[{[({[{}()][[]<>]}((()<>)<{}<>>))<[{{}}({}{})]>]{[<<<>[]>[[][]]>(({}[])(()[]))>{(([]{})({}[]))([
+[<<([{{(<<[<[[{}[]]](<[]{}>[<>{}])>[[<{}[]>(<>[])]{([][])[()[]]}]][[{{()[]}[<>{}]}(<<>{}>[[]
+<[(([{([([<{[[(){}]<<>{}>]}[[[()()]{{}<>}]]>[[{({}{})[()()]}([()()][<>[]])]{<[[]<>][[][]]>}]]{{<{[<>
+[<[[[[([[{[[<[{}{}]([]<>)>[({}[])<[]<>>]][<{()()}[<>[]]>([[]]<<><>>)]]}([<{{{}[]}}{(()<>>({}[
+<[<{[(<{({[<[[[][]]([][])]<([]){{}<>}>>[({<>{}}<[]>)]]([[([]{})[[]()]][[[]{}]({}{})]](<[{}<>
+({[<([(<[[<([[(){}]<<>{}>])({[[]{}]<()[]>}<<[]<>>{[][]}>)>{<[<[]()><{}[]>]([<>()]({}[]))><(
+({<<<{<({[[{[{<>{}}[<><>]]}{(({})[()()])<<()<>>([]{})>}]]]{<{{([[]<>](<>[]))[[{}()]({}())]}}>((<([{}<>])>{{<[
+[{([{[[{{<{<[{[]()}<[]{}>]>({<{}[]>{<>[]}})}[(({{}<>}<{}<>]){[[]{}]({}[])})]>}}]({([[([<()()>{[]
+<[{([([{[{<(([<>[]]{<>()})<{{}<>}>){([<><>])<(()[])<<>{}>>}><{{[{}<>]{<>}}[(())[()<>]]}<{[{}{}]{{}{}}}<{{}<>
+[{<<([{{(((<{<<>()>[{}()]}>{<<<>[]><[]()>>}){[(([][])([]()))<{{}[]}[[]()]>][[{{}<>}({}{})]{({}{})(<
+{({[((<([[[{{([])[()()]}({{}{}}))<(<[]<>>[()[]])>]<<([[]<>])<[<>()][[]<>]>>({[<><>]{{}[]}}({()[]
+{[(<(<{[({[(<<[]>{<>{}}>[{<><>}([]())])(<[[][]]<()<>>>[(()[])])]<{[{()[]}[<>{}]]}[{<(){}>(<>{})}<<<>()>>]
+(<{<[<({{{{([({}{})[[]{}]]({{}<>}<()[]}))}(<<{<>()}{()<>}>{[<>{}][()[]]}>{<<[][]>{<>()}><(<>{})<{}[]>>})}
+{(<<{[({<<[(<{{}{}}<[]<>>>((<>())([]<>)))]>><<({<{[]<>}([]<>)>{[()()]}}<<{{}<>}<()()>>(<()()
+<([([<(<[({[[({}()){()<>}](({}{})(<><>))][{({}<>)<{}{}>}{([]){(){}}}]})]>)<[[{<{{(()){<>[]}}({{}()}
+<<<([{[({{{((<{}()>{()()})[[<>()]])[[[{}()]<{}()>]{{[]<>}{{}())}]}<<{<<>><<><>>}[{{}[]}(<><>)
+<([<[<{[[[{[{[<><>][{}<>]}(<[]{}>)]}([{{<>()}<{}[]>}{([]<>)[(){}]}]<{((){})<[]()>}[<[]()><()[]>]>
+[([[[[[({{[(<[{}<>]<{}()>><[<><>]{<>()}>)]}<{(<(()<>)<{}{}>>{{()<>}(()()}})}>})(<[<([<<>[]>((){})]([[]<>]<()
+{(<[[{(((([[([{}()]<{}()))[({}{}){[]}]](<<<>[]>>([<>{}]))][(<({}{})<()[]>><<[]{}><{}[]>>)])(<([([][])[
+({(([{{<{{{<[<<>[]>{()<>}][([][]){()<>}]>([<()>(<><>)]<{<><>}<[]>>)}<{[[<>[]][<>{}]]<{<>()}{[][]
+{[([[[(([<{<{[[]<>]<<>()>}<<()()>([]{})>>[<<()[]>(<>())>[(()<>)]]}>]{{({{{{}[]}({})}<{{}<>}[[]()]>}((
+[<([[<[{{{[[[<<>{}>]{<()[]>{[]<>}}]{([[]{}]({}()))}]}}}(<{<[[({}{})<()()>]]({({}<>)[[]]}{[<><>]{<>{}}})>(<[
+<<(<<{{(({<[<<[]{}>{()()}}[[()[]]]]{[(<>{}){<>}]{[{}](<>)}}><{<(()())<[]<>>>[<(){}>(<>[])]
+{<(<[<[(((<{((()[])([]<>))([[]<>]({}[]))}><<([<>())<[]<>>)(<{}[]>({}<>))>[[([]())]({()()}{{}<>})
+[[((<[[[{{<{<{{}()}[{}()]>{{[]{}}[<><>]}}>}<{[<[(){}]<<><>>]([{}<>]<<><>>)]}(<<[{}<>]<<>{}>
+<[{{[[{<[{(({[(){}]({}{})})[([{}<>][()()])[<[][]><{}<>>]])}](<({(([]<>){()[]})[([]())((){})]}{{{<>{}}<[]()>}<
+<{((<([[{<<[(<{}()><{}[]>)]>[([{<>()}<()()>]<{()[]><()[]>>){<[{}[]]>[{[][]}(<><>)]}]>{{[{{{}<>}{<>}}[[(){}]<(
+{<[({(<{{[([{{[]{}}((){})}[[{}[]]<{}()>]]((<[]<>>)<([]()){{}[]}>))(<<{()[]}{[]})>[[(()())]{[()<>][<>(
+<<{[[[[{<({<[[{}()]]{{[]<>}{[]}}><{{{}()}({}{})}>}{([({}[])({}())](({}[])))[<{[]<>}[<>()]><<[]<>>(<>[])>]}
+[(([<<[{[{<({{()[]}<<><>>})[[([]())[[]{}])(<<>{}>)]>(<{{[][]}[{}()]}([{}{}][(){}])>((<<>[]>(()
+[({<<[[<{[<<({[]()}<()<>>)>]]{{<[[[]][{}<>]]>}{([[<>{}][{}{}]]<((){})(()[])>)}}}([{((<{}[]>)[<{}[]><{}()>])}
+{[[((<[{<<([{<<><>>([]{})}<(<><>)<<>()>>][{[[]{}]{()()}}<({}{})([][])>])><<{({<>{}}[<>()])((
+[[[<{{(<((([{<[]{}>({}<>)}[<<>()>]]<<(()[]){{}[]}>{(()<>){{}<>}}>){{{(()())[<><>]}[[[]<>]{<>[]}]}}))[
+(<({[({[[({{<{<>{}}<()[]>>[{(){}}<<>[]>]}[[<[][]><()<>>]({<>{}}{[]()})]}{(([[]<>][{}[]])(<[]<>>([
+{([<{[<({{{({[[][]][()()])[<<>()><[][]>])}<{{{[]()}[{}()]}{{<>()}{<>}}}((({}())<{}{}>){(<>{})[<>{}]})>}})(((
+([[[[[[{(((((<<>()>[[]<>])<{()()}[()<>]>){<[()[]]<<>[]>>(<<>{}}{{}[]})}))<<[([()()][[]()])[{()[]}([]())]][<([
+({{((((<{<[{[(<>{})][<()()>[[]()]]}]{({(<>())[[]()]}{<[][]><[][]>})}>}>{<<{{(({}())[<>])((()[])<[]<>>)}}[
+<(<[[[<<{([<<[[]<>]{<>[]}><{()()}([]<>)>>]{<{(<>())((){})}{[{}{}]<<>{}>}>})({([[{}{}]])[(<<>()>[
+{[(<{<[[{<{{(<()[]><<>{}>){[()<>]<{}<>>}}[[[<>{}][[]<>]]]}<[[({})<<>[]>]]{{<()<>><<>[]>}<{()[]}((){}
+({[{(<<{[<{({[()()]{{}}}<({}{}){()()}>)}<{(({}{})[<>[]]){([]())[[][]]}}{(<[]<>)[()])[[<>()]]}>>
+(({<<[<[<<<({<{}[]>({}{})}{<{}[]><{}[]>})>>(<<(<()()>{[]{}})({()<>}[()()])>[{[{}()][[]]}({<>()}}]>(
+<<(<(<[{([{<[[<>{}]<{}<>>]>{<(()[])(()())><{<>[]}{()()}>}}([{({}<>){<>{}}}{{<>[]}[{}{}]}]([<[]()>((){})
+{[{([({[[<<<{{[]{}}<[]{}>}[<()[]><[]<>>]>([{{}[]][[][]]]{{(){}}({}[])})>(<{[<>{}](()<>)}>{[<[]()>
+([[[<(<{[({<({()()}{<>()})((<>[])<[]<>>)>}<{<<{}()><<>>>}({{{}[]}}[(()[])[()<>]])>)<[<((()())[<>{}])(
+{<(((<[((((({<[]>[[]{}]}))[(<[[][]][{}{}]>){{[<>()][[]<>]}([()()](<><>))}])){(<[{[<>()][{}()]
+({([{<(((<{[<[{}[]]<<>>>({{}[]}[[]()])]([<(){}>])}{<[{<>[]}{[]<>}][<<><>){<>{}}]>[<((){})([]{})>[[{}{}][()
+<[{[<[{[({{<(({}<>}[[]()])>({{[][]}}<[(){}](()[])>)}})([[{{<<>()>([]{})}[<<>{}>[<><>]]}]])]
+{(<{([{[[({[(<[]{}>)({{}[]}{()()}))<{(()[])}[[()()]{{}[]}]>}<{<(()<>)>{{[]{}}({}())}}({{{}[]}{<
+[<<{<{<<(<([<(<>()){[]()}>[({}<>)({}<>)]][(([]{}){()[]})[{{}()}(()())]])>{([{{()[]}<<>[]>}<{<>[
+{{[[(([([({([([]<>)(()())][{<>()}{(){}}])})])]([{{[<{{{}<>}(<>())>{[()()]<<>[]>}>[{(()){{}[
+[({({({(({{(<[()()][{}<>]>[[{}()]{(){}}])<[<<>[]>][<{}>(<>{})]>}(((({}())({}{}))){{(()[])<[][
+<(<(<[([<[{[<(()<>)<()[]>><(<>())([][])>]{<[{}<>]{{}()}>{[[]{}](<>{})}}}<[<([]{})><{{}<>}([]())>]>]>
+<<<(<<[({{{<{({}<>)<()[]>}<[()<>]{(){}}>><{[[]()]<[]{}>}[({}{})<(){}>]>}(<[<<>[]>{()[]}]>)}[<{[<{}>[{}{
+{(<((<[{{[[[[<{}{}]<{}()>]][{({}{})<<>{}>}[<()[]>(()())]]]{([<[]()><[]{}>](<{}()>))({<<><>>(<>())}{
+{({{[[<[{<{{(<<>>)(<[]()>[()])}([({}<>)])}[[{[()<>][()[]]}]({<[]<>>{<>()}})]><<(<<{}()>{<>[]
+{{{[{[<<{[[{[{{}<>}<[][]>]{(()[])<<>()>}}[<{()()}[(){}]><<()[]>>]]{<((<>{})({}()))[<(){}>([][])]>{({{}[]}<
+<{{[<{({{{[<{{<>()}{{}()}}>]<{<[()[]](<><>)><[<>[]]{(){}}>}<([(){}]<{}{}>){(())}>>}[([{[[]<>][{}<>]}[{()}(
+[<<[{{(({({<{{{}{}}{<>[]}}({[][]}{<>[]})>[{[{}<>][<>[]]}[({}[])[[]<>]]]})}))<(<[[<(({}()))[<<>()>{(
+{<<([<{({[{{[({}[])<<>{}>]([()<>]<(){}>)}<([{}[]]({}{}))>}[<<<<>{}>[[][]]>{<<>[]><()>}>[<<<>><[][]>
+[({(<({[<[{{[<<>[]>[()[]]]<<<>[]>>}}<{([{}[]](<>{}))[{<>}{{}<>}]}(<<[][]>>[{[]<>}])>]>[(<(({<>[]}{<><>}))(<
+{<[[{{<<{(<(<([]<>)[[][]]>[([]{})[<>{}]])<[{<>()}{[]<>}]>>>[{(({()()}[<>[]]){({}())<[]<>>})}[(<{<>
+{[[{{{<[<[{<(({}{})[{}()])[(<><>)({}())]>}{[<{[]{}}[()[]]>]<{[()()]<[]()>}<[[][]]>>}]>{{({{{()[]}{{}(
+<{[<([{{[[<(<{<><>}[{}{}]><((){})>){[[()()][()[]]]{[[]<>]}}>]<<(<({}[])<{}[]>>{(<><>)<[]()>}){(<