Bài 6

#Khoi tao s truoc

s = 'asfdasfwefewfwfqwhifsadfsafcoijfocwogheqqciwhoqwqwocfqwirjwicjwfcjwoifcmqwofmqcwoeghwogocwogjfgdjgkdlgdmsvmvxsafdkaecjf'

min = 0

khoitaomin = False

maxchar =''

max = 0

minchar =''

"""

Thuat toan su dung vong lap for:

buoc 1: su dung count de tinh xem cai nao lon nhat roi gan vao max cung voi max word

buoc 2: min tuong tu voi max

"""

for word in s:

count = s.count(word)

if(khoitaomin == False):

min = count

khoitaomin = True

if(count > max):

max = count

maxchar = word

if(count < min):

min = count

minchar = word

print("Ky tu max: %c So luong: %d" % (maxchar,max))

print("KY tu min: %c So luong: %d" % (minchar,min))