Answers for "python occurence of an element list"

make each element in a list occur once python

for i in my_list:
	if i in corrected_list:
		continue
	else:
		corrected_list.append(i)

python find number of occurrences in list

student_grades = [9.1, 8.8, 10.0, 7.7, 6.8, 8.0, 10.0, 8.1, 10.0, 9.9]

samebnumber = student_grades.count(10.0)

print(samebnumber)