add EdgyNerd's solution

challenges/03-esoteric-lang-1/solutions/EdgyNerd.py

@@ -0,0 +1,57 @@
+# Stack-Based Esolang Based On NANDs
+# Documentation and Examples at github.com/EdgyNerd/Nandy
+
+
+from textwrap import wrap
+
+def NANDy(prog, inp=''):
+    inp = ''.join(format(ord(x), 'b').zfill(8) for x in inp)
+    stack = [0]
+    progPos=0
+    loops = []
+    output=''
+    while True:
+        i = prog[progPos]
+        if i==':':
+            stack+=[stack[-1]]
+        elif i=='#':
+            stack+=[(stack.pop()&stack.pop())^1]
+        elif i=='>':
+            stack.insert(0,stack.pop())
+        elif i=='<':
+            stack+=[stack[0]]
+            del stack[0]
+        elif i=='(':
+            if stack[-1]>0:
+                loops+=[progPos]
+            else:
+                while True:
+                    a=1
+                    progPos+=1
+                    if prog[progPos]=='(':
+                        a+=1
+                    elif prog[progPos]==')':
+                        a-=1
+                        if a==0:
+                            break
+        elif i==')':
+            if stack[-1]>0:
+                progPos=loops[-1]
+            else:
+                loops.pop()
+        elif i=='i':
+            if inp=='':
+                stack+=[0]
+            else:
+                stack+=[inp[0]]
+                inp=inp[1:]
+        elif i=='o':
+            output+=str(stack[-1])
+        if progPos==len(prog)-1:
+            break
+        progPos+=1
+    output = wrap(output, 8)
+    for i in output:
+        print(chr(int(i,2)), end='')
+
+NANDy('ioioioioioioioio', 'a')