From 8bcd19afd005ee7b54f08b36f31cf80dcbd11d8f Mon Sep 17 00:00:00 2001
From: newt! <newtykins@outlook.com>
Date: Tue, 14 Sep 2021 21:34:47 +0100
Subject: [PATCH] Add year 11 maths quiz

---
 .../year 11/Maths Quiz.py                     | 101 ++++++++++++++++++
 readme.md                                     |   4 +
 2 files changed, 105 insertions(+)
 create mode 100644 coursework/gcse computer science/year 11/Maths Quiz.py

diff --git a/coursework/gcse computer science/year 11/Maths Quiz.py b/coursework/gcse computer science/year 11/Maths Quiz.py
new file mode 100644
index 0000000..3156946
--- /dev/null
+++ b/coursework/gcse computer science/year 11/Maths Quiz.py	
@@ -0,0 +1,101 @@
+import random
+import operator
+import os
+
+# Constants
+ANSWER_COUNT = 4
+
+ops = {
+    '+': operator.add,
+    '-': operator.sub,
+    '*': operator.mul,
+    '/': operator.truediv
+}
+
+score = 0
+
+'''Clears the console.'''
+def cls():
+    os.system('cls' if os.name == 'nt' else 'clear')
+
+'''Formats a number.'''
+def formatNumber(num):
+    if num % 1 == 0:
+        return str(int(num))
+    else:
+        return '%.2f' % num
+
+'''Generates a question to be used'''
+def generateQuestion():
+    while True:
+        x = random.randint(0, 11)
+        y = random.randint(1, 11)
+        op = random.choice(list(ops.keys()))
+        if op == '/' and y > x:
+            continue
+        else:
+            answer = ops.get(op)(x, y)
+            return (x, y, op, answer)
+
+'''Generates a fake answer based on the real answer.'''
+def generateFakeAnswer(answer):
+    r = random.randint(-10, 10)
+    return answer + r
+
+'''Asks a question.'''
+def askQuestion():
+    global score
+    x, y, op, answer = generateQuestion()
+
+    # Generate a list of potential fake answers
+    answerList = {}
+    answerLocation = random.randint(1, ANSWER_COUNT)
+
+    for i in range(1, 5):
+        if i == answerLocation:
+            answerList[i] = answer
+        else:
+            while True:
+                generated = generateFakeAnswer(answer)
+                if generated != answer:
+                    answerList[i] = generated
+                    break
+
+    # Format that list of potential fake answers into a string
+    answers = ''
+    
+    for key in answerList:
+        value = answerList.get(key)
+        answers += '\n%i) %s' % (key, formatNumber(value))
+
+    # Ask the question
+    print("""
+What is the correct answer to the following expression? %i %s %i
+%s
+    """ % (x, op, y, answers))
+
+    # Recieve input and mark the user based on it
+    while True:
+        try:
+            userAnswer = float(input('Which is the correct answer? '))
+            if userAnswer == answerLocation:
+                print('You got it right!')
+                score = score + 1
+            else:
+                print('You got it wrong!')
+            break
+        except ValueError:
+            print('Your input must be a number!')
+
+# Ask the user how many questions they would like to be asked
+while True:
+    try:
+        howMany = int(input('How many questions would you like to answer? '))
+        cls()
+        for i in range(howMany):
+            askQuestion()
+            cls()
+        print('Your final score is %i/%i!' % (score, howMany))
+        break
+    except ValueError:
+        print('Your input must be a number!')
diff --git a/readme.md b/readme.md
index 0b6e5b4..8df6e45 100644
--- a/readme.md
+++ b/readme.md
@@ -54,6 +54,7 @@
     - [Pet Planet](coursework/gcse%20computer%20science/year%209/python/web/pet%20planet)
 
 - [Year 10](coursework/gcse%20computer%20science/year%2010)
+
   - [Calculator](coursework/gcse%20computer%20science/year%2010/calculator)
   - [Cat or Dog](coursework/gcse%20computer%20science/year%2010/cat%20or%20dog)
   - [Mark Analyser](coursework/gcse%20computer%20science/year%2010/mark%20analyser)
@@ -63,3 +64,6 @@
   - [Raspberry Pie Game](coursework/gcse%20computer%20science/year%2010/raspberry%20pie%20game)
   - [API Hangman](coursework/gcse%20computer%20science/year%2010/API%20Hangman.py)
   - [Temperature Bar Chart](coursework/gcse%20computer%20science/year%2010/Temperature%20Bar%20Chart.py)
+
+- [Year 11](coursework/gcse%20computer%20science/year%2011)
+  - [Maths Quiz](coursework/gcse%20computer%20science/year%2011/Maths%20Quiz.py)