External excercise 1a

sss = "Python is intended to be a highly readable language"
maxstr = 0
smax = ''
for i in sss:
    if i == ' ':
        continue
    if sss.count(i) > maxstr:
        maxstr = sss.count(i)
        smax = i
        
print('Ky tu xuat hien nhieu nhat la: ', smax, 'voi so lan la: ', maxstr)