Create main.py

main.py

@@ -0,0 +1,63 @@
+pointer = 0
+cell = []
+code=""
+
+def main():
+    """Main function"""
+    global code, cell, pointer
+    code = input("Enter the code: ")
+    print("\n\n")
+    if code != "":
+        for i in range(len(code)):
+            interpreter(code[i] ,i)
+    print("\n\n")
+
+
+def interpreter(znak, i):
+    """Brainfuck interpreter
+        > increment the data pointer (to point to the next cell to the right).
+        < decrement the data pointer (to point to the next cell to the left).
+        + increment (increase by one) the byte at the data pointer.
+        - decrement (decrease by one) the byte at the data pointer.
+        . output the byte at the data pointer.
+        , accept one byte of input, storing its value in the byte at the data pointer.
+        [ if the byte at the data pointer is zero, then instead of moving the instruction pointer forward to the next command, jump it forward to the command after the matching ]
+        ] if the byte at the data pointer is nonzero, then instead of moving the instruction pointer forward to the next command, jump it back to the command after the matching [."""
+    global code, cell, pointer
+    match znak:
+        case ">":
+            pointer += 1
+        case "<":
+            pointer -= 1
+            if pointer<0:
+                pointer = 0
+        case "+":
+            try:
+                cell[pointer] += 1
+            except:
+                cell.append(0)
+                cell[pointer] += 1
+        case "-":
+            try:
+                cell[pointer] -= 1
+            except:
+                cell.append(0)
+                cell[pointer] -= 1
+        case ".":
+            if cell[pointer]==10 or cell[pointer]==13:
+                print("\n")
+            else:
+                print(chr(cell[pointer]), end="")
+        case ",":
+            cell[pointer] = ord(input("Enter a character: "))
+        case "[":
+            loop_begin = i
+            loop_end = code.find("]", i)
+            if cell[pointer] != 0:
+                loop_end = code.find("]", i)
+                for a in range(0,cell[pointer]-1):
+                    for j in range(1,loop_end-loop_begin):
+                        interpreter(code[loop_begin + j], loop_begin + j)
+
+if __name__ == '__main__':
+    main()