## Quiz Part 4_Calculate_Score.py

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## Code Snippet

``````#-------------------------------------------------------------------------------
# Name:       Maths Quiz
# Purpose:    Tutoral
# Author:     teachingcomputing.com
# Created:     23/02/2016
# Copyright:   (c) teachingcomputing.com 2016

#-------------------------------------------------------------------------------
""" File Structure
scores.txt
===========
user1,1
user2,3
user3,1

"""
import random

#identifying the variables we will be using
score=0
answer=0
operators=("x", "+", "-")
#Add a variable for valid_name set to Boolean value 'false' by default
valid_name=False
#Add a variable to be used in validation of the name (not to include numbers)
found_number=False
numbers="123456789"

#Ask for name
#While valid_name is false...then ask the user for their name
while valid_name==False:
#the variable found_number needs to be initialised to FALSE at the start of the loop
found_number=False
name=input("Hi there, what is your name?: ")

#for every character in the name entered
for i in name:
#...and for every character in name (i) that is equal to a number in numbers
for u in numbers:
if i==u:
found_number=True

if found_number==True:
valid_name=False
print("Invalid Name - Try again, without any numbers")

elif found_number==False:
valid_name=True
break

print("Great...let's start the quiz")
print("*********************************************")

#Randomly generate the numbers and operators we will be using in this Maths Quiz
#Let's say we only need to ask 5 questions
#The For in in range loop will tell us how many times to repeat the program

for i in range(3):
#variable num is equal to a random number between 5 and 10
num1=random.randint(5,10)
#this will generate a random number between 1 and 5
num2=random.randint(1,5)
#select an operator of choice
operator=random.choice(operators)

#Now we need to calculate the answer! For that, we need to know which operator is being used
if operator=="+":
answer=num1+num2
elif operator=="-":
answer=num1-num2
elif operator=="x":
answer=num1*num2

#Creating the question (randomlly generated) and create user's input
#remember the lines to follow should be indented to be IN the above for loop
print('What is ' + str(num1)+operator+str(num2))
user_answer=int(input("Enter Answer: "))

#This section allows for the user's response
if user_answer==answer:
print("That's Right")
#increment (add 1) to the score if it is right
score=score+1
else:
print("Not quite, sorry! The answer was: " + str(answer))
score=score
print("Well done:>" + name + "...Your Score was: " + str(score))
``````