gistfile1.txt

# In[17]:

keypad=[[1,2,3],[4,5,6],[7,8,9]]
def kp_move(position,ditherings):
    r,c = position
    #print(ditherings[:3],ditherings[-3:])
    for char in ditherings:
        if 'U' == char:
            r = max(0, r-1)
        elif 'D' == char:
            r = min(2, r+1)
        elif 'R' == char:
            c = min(2, r+1)
        elif 'L' == char:
            c = max(0, c-1)
        else:
            next
    return(r,c)
def shownum(position):
    r,c = position
    return(keypad[r][c])


# In[18]:

press=[(1,1)] # Start on the 5
with open('input02.txt') as F:
    for line in F.readlines():
        nextnum = kp_move(press[-1],line.strip())
        press.append(nextnum)


# In[19]:

# Part One: Print the bathroom code
for x in press[1:]:
    print(shownum(x))