from random import randint
import matplotlib.pyplot as plot

def count(target,scores):
    counter = 0    # Initialise a variable for counting scores of ten

    for score in scores:
      if score == target:
          counter += 1

    #print("{0} learners got top marks".format(counter))
    return counter

def count_frequency( to_num, scores_freq):
    for i in range(to_num+1):
        scores_freq.append(count(i,scores))

def max_num(list):      # Only for postive numbers
    max=0
    for i in list:
        if i>max:
            max=i
    return max

def min_num(list):
    min=max_num(list)
    for i in list:
        if i<min:
            min=i
    return min

def average_num(list):
    average=0
    for i in list:
        average+=i
    return(average/len(list))


scores = []
scores_freq=[]


for x in range (0, 30):
  scores.append(randint(0, 10))    # Generate a random number from 0 to 10 and append to scores

print(scores)
print(" Num of 10",count(10,scores))        # Count how many scores 10
print(" Max = ",max_num(scores))            # Count how many scores 10
print(" Min = ",min_num(scores))            # Count how many scores 10
print(" Average = ",average_num(scores))    # Count how many scores 10

count_frequency(10, scores_freq)


plot.bar(range(11), scores_freq, align='center', alpha=1)

plot.xticks(range(11))
plot.ylabel('Score frequency')
plot.title('Scores on a quiz')

plot.show()
plot.savefig(fname="Quiz Chart.png")