Login/Sign Up Code

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#Borrowed from @NihalAnand -- Used for other repls.

import gspread
from oauth2client.service_account import ServiceAccountCredentials

scope = ['https://spreadsheets.google.com/feeds',
         'https://www.googleapis.com/auth/drive']

credentials = ServiceAccountCredentials.from_json_keyfile_name('Python Test-32b5fbe50b83.json', scope)

gc = gspread.authorize(credentials)

wks = gc.open("Test For Python Integration").sheet1

def validatePass(p1, p2):
	if p1 == p2:
		return True

def next_available_row(worksheet):
    str_list = worksheet.col_values(1)
    return len(str_list)+1

def createAuth():
	global wks
	while True:
		user = input("Please enter a Username: ")
		passW = input("Please enter a Password: ")
		passW2 = input("Please confirm your Password: ")
		if validatePass(passW, passW2):
			try:
				wks.find(user)
			except:
				wks.resize(next_available_row(wks))
				wks.append_row([user, passW])
				print("Sign up successful. Your data will be saved.")
				break
			print("Username already exists. Please try again with a different username.")
		else:
			print("Your passwords didn't match. Please try again.")

def login():
	global wks
	while 1:
		user = input("Please enter your Username: ")
		passW = input("Please enter your Password: ")
		try:
			t1 = wks.find(user)
		except:
			print("Invalid username. Please try again or create a new account.")
			continue
		if wks.cell(t1.row, t1.col+1).value == passW:
			print("Login successful. Welcome back.")
			break
		else:
			print("Incorrect password")

choice = int(input("1) Sign Up\n2) Login\n> "))
if choice == 1:
	createAuth()
else:
	login()