Minor improvements all over the place

lambdaV.py

@@ -15,7 +15,7 @@
 # version 3 along with this program.
 # If not, see https://www.gnu.org/licenses/gpl-3.0.en.html
 
-import re
+import re, time
 
 debug_mode = False
 
@@ -51,6 +51,8 @@ goal  = '$'
 
 cursor_position = [0, 0]
 
+command_delay = 0.3
+
 def clear_field():
     field = [
         " _________________ ",
@@ -66,6 +68,7 @@ def clear_field():
     ]
 
 def draw_field():
+    print("\033[2J\033[H")
     for row in range(len(field)):
         for column in range(len(field[row])):
             if column==cursor_position[0] and row==cursor_position[1]:
@@ -85,6 +88,7 @@ def run_code(parsed_code):
         if not result=="":
             return result
         draw_field()
+        time.sleep(command_delay)
     return ""
 
 
@@ -136,7 +140,7 @@ def condition_on_apple(inverted):
 # return value: "" or error message
 def command_step():
     if condition_in_front_of_wall(False):
-        return "You walked into a wall."
+        return "You stepped into a wall."
 
     if condition_facing_north(False):
         cursor_position[1] = cursor_position[1]-1
@@ -334,7 +338,7 @@ def parse_code(code, allowed_commands, allowed_conditions, unformatted_code=True
             elif next_command == "take":
                 parsed_code[0].append(command_take)
             elif next_command == "repeat":
-                return [[], [], next_space, "Syntax error: Condition missing", code]
+                return [[], [], next_space, "Syntax error: Number of repetitions missing", code]
             elif next_command == "while":
                 return [[], [], next_space, "Syntax error: Condition missing", code]
             elif next_command == "if":
@@ -476,5 +480,13 @@ def evaluate_parser_result(parsed_code):
     #TODO: check if goal reached
     return "Success!"
 
+
+def debug_setup():
+    global cursor_position
+    cursor_position = [1,1]
+    global cursor_current
+    cursor_current = cursor_south
+    draw_field()
+
 if __name__ == "__main__":
     pass