Tabela Historiograma em Python

historiograma.py

somatorio = 0
rk = [] # rk
nk = [8, 10, 16, 23, 33, 44, 56, 61] # nk fixo
pnk = [] # pnk
cdf = [] # cdf
tr = [] # tr
sk = [] # sk

print("Preenchendo valores na coluna 1..")
for i in range(1, 9):
  rk.append(i)

for i in range(0, len(nk)):
  somatorio += nk[i]

for i in range(0, len(nk)):
  pnk.append(nk[i]/somatorio)

cdf.append(pnk[0])
for i in range(1, len(pnk)):
  cdf.append(cdf[i-1] + pnk[i])

for i in range(0, len(cdf)):
  tr.append(cdf[i] * 8)

for i in range(0, len(tr)):
  sk.append(round(tr[i]))

print("Mostrando todas as colunas: ")
print("rk|nk| p |  cdf  |  tr  |  sk |  ps  |")
for i in range(0, len(rk)):
  print("{}, {}, {:.2f}, {:.2f}, {:.2f}, {:.2f}"\
    .format(rk[i], nk[i], pnk[i], cdf[i], tr[i], sk[i]))

Ainda falta a ultima tabela (ps).