Quiz using list
QandA = [
    "1. What is the most common element on Earth?" , "oxygen" , 
    "2. What is the planet closest to our Sun?" , "mercury" , 
    "3. What is the smallest planet in our solar system?" , "mercury"
]
points = 0
current = 0
questions = 3
print ("Welcome to my simple quiz")
question1 = input (QandA[current])
print(QandA[0])
if question1 == QandA[current + 1]:
    print (question1 + " is correct!\n")
    current += 2
    points += 1
else:
    print(question1 + " is incorrect :(\n")
    current += 2
   
question2 = input (QandA[current])
print(QandA[2]) 
if question2 == QandA[current + 1]:
    print (question2 + " is correct!\n")
    current += 2
    points += 1
else:
    print(question2 + " is incorrect :(\n")
    current += 2
   
question3 = input (QandA[current])
print(QandA[4]) 
if question3 == QandA[current + 1]:
    print (question3 + " is correct!\n")
    current += 2
    points += 1
else:
    print(question3 + " is incorrect :(\n")
    current += 2
    
# If statements not efficient at all. The code does not iterate therefore is not smart
print("Well done, you scored " + str(points) +"/" + str(questions))
    
QandA = [
    "1. What is the most common element on Earth?" , "oxygen" , 
    "2. What is the planet closest to our Sun?" , "mercury" , 
    "3. What is the smallest planet in our solar system?" , "mercury"
]
points = 0
current = 0
questions = 1
print ("Welcome to my simple quiz")
while questions < 4:
    
    question = input (QandA[current])         # sets the question variable to the "current" index from the dictionary
    if question == QandA[current + 1]:        # "current + 1" represents the answer
        print(QandA[current])                 # print the question first
        print (question + " is correct! \n") 
        current += 2                          
        points += 1
    else:
        print(QandA[current])
        print(question + " is incorrect :( \n")
        current += 2
    questions = questions + 1
print("Well done, you scored " + str(points) +"/" + str(questions-1))