# 1423,py

cifrato=leggifile('1416.txt')
cifrato=re.sub('[^A-Za-z]','',cifrato)

pensoso=leggifile('1421.txt')
pensoso=re.sub('[^A-Za-z]','',pensoso)

fd1=frequenzedigrammi(cifrato,3)
fd2=frequenzedigrammi(pensoso,6)

for u in fd1:
  (a,n)=u; print ('{0} {1:3}'.format(a.upper(),n))

print('---------------------')

for u in fd2:
  (a,n)=u; print ('{0} {1:3}'.format(a,n))

print('=====================')

ft1=frequenzetrigrammi(cifrato,2)
ft2=frequenzetrigrammi(pensoso,4)

for u in ft1:
  (a,n)=u; print ('{0} {1:3}'.format(a.upper(),n))

print('---------------------')

for u in ft2:
  (a,n)=u; print ('{0} {1:3}'.format(a,n))