# 4.22
# def month(n):
#     monthS = "jan feb mar apr may jun jul aug sep oct nov dec"
#     lst = monthS.split()
#     return lst[n-1]
# n = int(input("1~12 사이의 수를 입력>> "))
# print(month(n))

# 4.23
# def average():
#     s = 'A sample sentence'
#     lst = s.split()
#     sum = 0
#     for i in lst:
#         sum += len(i)
#     return sum/len(lst)
# print(average())

# 4.24
# def cheer():
#     cheerS = 'How do you spell winner?\nI know, I know!\n'
