# 출석번호가 1,2,3,4 앞에 100을 붙이기로함 -> 101, 102, 103
students = [1,2,3,4,5]
print(students)
students=[i+100 for i in students]
print(students)

#학생 이름을 길이로 변환

students = ["Iron man", "Thor", "I am groot"]
students = [len(i) for i in students]
print(students)

#학생 이름을 대문자로 변환
students = ["Iron man", "Thor", "I am groot"]
students = [i.upper() for i in students]
print(students)