def knight():
"""The user interface function that creates an instance of the Tour class to modify the tour based
on the users input
:param None
:post Uses the instance map1 to access the Tour class and its functions
:complexity: best case: O(1), worst case: O(n^3)"""
map1 = Tour()
while (True):
try:
userinput = int(
input("[1] Position\n[2] Quit\n[3] Move\n[4] Undo\n"
"[5] Save\n[6] Load save\nInput: "))
except ValueError:
print("Error! You did not enter a proper integer")
continue
if userinput == 1:
map1.show_tour()
elif userinput == 2:
return
elif userinput == 3:
validMove = False
while validMove == False:
try:
xinput = int(input("enter x "))
yinput = int(input("enter y "))
except ValueError:
print("Error! You did not input a proper data type")
continue
if map1.valid_move((xinput, yinput)) is True:
print('successful move')
map1.move_knight(xinput, yinput)
validMove = True
else:
print('invalid move')
elif userinput == 4:
map1.undo()
elif userinput == 5:
saveData = map1.copy()
#print(saveData.the_array)
elif userinput == 6:
try:
map1.set(saveData)
except UnboundLocalError:
print("No save data!")
return
