[Python] I need you guys to help modify this code because I've been getting some "unexpected"...

import math
import time
import os

def two_input_options(text):
while True:
input(text)
if Next in input():
return()
elif Cancel in input():
print("Exiting..."), time.sleep(3.6)
os.system('cls')
quit()
else:
print("Enter a valid command!")
Next = "1"
Cancel = "0"

print("Loading..."), time.sleep(4.3)
os.system('clr')
print("Welcome to ProMath! Setup\nPlease type the commands\n\n")
print("\n\nNext = [1] Cancel = [0]")
two_input_options("Command: ")


I'm just a beginner and I'm working on a math game called "ProMath!".

also just ignore the "import math", it'll may come in handy later
​

But I've been getting some unexpected things. So just please modify this code!

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