1 files changed, 0 insertions, 85 deletions
diff --git a/robot/problems/introduction/followline/common.py~ b/robot/problems/introduction/followline/common.py~
deleted file mode 100644
index 5a3db5b..0000000
--- a/robot/problems/introduction/followline/common.py~
+++ /dev/null
@@ -1,85 +0,0 @@
-# coding=utf-8
-
-from python.util import has_token_sequence, string_almost_equal, \
-    string_contains_number, get_tokens, get_numbers, get_exception_desc
-from server.hints import Hint, HintSequence
-
-id = 207
-group = 'introduction'
-number = 12
-visible = True
-
-solution = '''\
-import time
-from ev3dev import *
-from mindstorms_widgets import mindstorms_widgets
-
-robot = mindstorms_widgets()
-robot.connect_motor( 'left' )
-robot.connect_motor( 'right' )
-robot.connect_sensor( 'color' )
-
-start = time.time()
-while time.time()-start < 10:
-    if robot.color_sensor_measure('reflected_light_intensity') < 30:
-        L, R = 0, 20
-    else:
-        L, R = 20, 0
-    robot.move_tank( 'on', lr_power=[L,R])
-robot.move_tank( 'off' )
-'''
-
-hint_type = {
-    'mW_init': Hint('mW_init'),
-    'connectMotorLeft': Hint('connectMotorLeft'),
-    'connectMotorRight': Hint('connectMotorRight'),
-    'moveTankOn': Hint('moveTankOn'),
-    'lrPower': Hint('lr_power'),
-    'moveTankOff': Hint('moveTankOff'),
-    'connectColorSensor': Hint('connectColorSensor'),
-    'colorSensorMeasureRLI': Hint('colorSensorMeasureRLI'),
-    'while': Hint('while'),
-    'time': Hint('time'),
-    'if': Hint('if')
-}
-
-def hint( code):
-    tokens = get_tokens(code)
-
-    # if code does not include mindstorms_widgets(), a student gets a hint that the robot should be somehow represented in the program
-    if not has_token_sequence(tokens, ['mindstorms_widgets', '(',')']):
-        return [{'id': 'mW_init'}]
-
-    # if code does not include connect_motor statement, a student needs to learn about how to connect the motors
-    if not has_token_sequence(tokens, ['connect_motor']) and not has_token_sequence(tokens, ['left']):
-        return [{'id': 'connectMotorLeft'}]
-
-    # if code does not include connect_motor statement, a student needs to learn about how to connect the motors
-    if not has_token_sequence(tokens, ['connect_motor']) and not has_token_sequence(tokens, ['right']):
-        return [{'id': 'connectMotorRight'}]
-
-    if not has_token_sequence(tokens, ['connect_sensor', '(', 'color', ')' ]):
-        return [{'id': 'connectColorSensor'}]
-
-    if not has_token_sequence(tokens, ['move_tank', '(', 'on', ')']):
-        return [{'id': 'moveTankOn'}]
-
-    if not has_token_sequence(tokens, ['lr_power']):
-        return [{'id': 'lrPower'}]
-
-    if not has_token_sequence(tokens, ['move_tank', '(', 'off', ')']):
-        return [{'id': 'moveTankOff'}]
-
-    if not has_token_sequence(tokens, ['color_sensor_measure', '(', 'reflected_light_intensity', ')']):
-        return [{'id': 'colorSensorMeasureRLI'}]
-    
-    if not has_token_sequence(tokens, ['while']):
-        return [{'id': 'while'}]
-
-    if not has_token_sequence(tokens, ['time']):
-        return [{'id': 'time'}]
-    
-    if not has_token_sequence(tokens, ['if']):
-        return [{'id': 'if'}]
-    
-    return None