quiz

#written by usingpython.com
#allows us to access a random 'key' in the dictionary
import random
#the questions/answer dictionary
my_dict = {
"Base-2 number system" : "binary",
"Number system that uses the characters 0-F" : "hexidecimal",
"7-bit text encoding standard" : "ascii",
"16-bit text encoding standard" : "unicode",
"A number that is bigger than the maximum number that can be stored" : "overflow",
"8 bits" : "byte",
"1024 bytes" : "kilobyte",
"Picture Element. The smallest component of a bitmapped image" : "pixel",
"A continuously changing wave, such as natural sound" : "analogue",
"the number of times per second that a wave is measured" : "sample rate",
"A bunary representation of a program" : "machine code"
}
#welcome message
print("Computing Revision Quiz")
print("=======================")
#the quiz will end when this variable becomes 'False'
playing = True
#While the game is running
while playing == True:
#set the score to 0
score = 0
#gets the number of questions the player wants to answer
num = int(input("\nHow many questions would you like: "))
#loop the correct number of times
for i in range(num):
#the question is one of the dictionary keys, picked at random
question = (random.choice( list(my_dict.keys())))
#the answer is the string mapped to the question key
answer = my_dict[question]
#print the question, along with the question number
print("\nQuestion " + str(i+1) )
print(question + "?")
#get the user's answer attempt
guess = input("> ")
#if their guess is the same as the answer
if guess.lower() == answer.lower():
#add 1 to the score and print a message
print("Correct!")
score += 1
else:
print("Nope!")
#after the quiz, print their final score
print("\nYour final score was " + str(score))
#store the user's input...
again = input("Enter any key to play again, or 'q' to quit.")
#... and quit if they types 'q'
if again.lower() == 'q':
playing = Fals e