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extra oplossingen oefeningen programmeren python dawynt dodona H9: text files
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Oplossing voor extra gemaakte dodonaoefeningen op H9: text files, van vak Programmeren peter dawynt Ugent.
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H9: TEXT FILESRosarchtest
def rorschach(bestand,bestand2=None):
uitvoer = open(bestand2,'w',encoding='utf-8') if bestand2 is not None else None
with open(bestand,'r',encoding='utf-8') as invoer:
for regel in invoer:
zonder = regel.strip('\n')
if bestand2 is not None:
print(zonder +zonder[::-1] , le = uitvoer, end="\n")
else:
print(zonder + zonder[::-1])
#BADA55
def leet2letter(bestand):
with open(bestand,'r',encoding='utf-8') as invoer:
dict = {}
for regel in invoer:
zonder = regel.strip('\n')
lijst = zonder.split()
cijfer = lijst[0]
letters = lijst[-1]
for karakter in letters:
cijfer = cijfer.upper()
if cijfer not in dict:
dict[cijfer] = set()
dict[cijfer].add(karakter.upper())
return dict
def letter2leet(dict):
omg= {}
for cijfer in dict:
letters = dict[cijfer]
for karakter in letters:
omg[karakter] = cijfer
return omg
def leetspeak(woord,omg):
antwoord = ""
for karakter in woord:
karakter = karakter.upper()
if karakter in omg:
antwoord += omg[karakter].upper()
else:
antwoord += karakter
return antwoord
def ishexkleur(woord):
if woord.count("#") != 1:
return False
if len(woord) != 4 and len(woord) != 7:
return False
mag = "ABCDEFabcdef"
for karakter in woord[1:]:
if karakter.isalpha() and karakter not in mag:
return False
return True
def kleur(woord,dict):
leet = leetspeak(woord,dict)
fi
, assert ishexkleur("#"+leet), "ongeldige kleur"
return “#"+leet
Code van Hippocrates
def code2karakter(bestand):
dict = {}
with open(bestand,'r',encoding="utf-8") as le:
for regel in le:
#je ID code eruit halen
IDcode = ""
i=0
karakter = regel[i]
while karakter != " ":
IDcode += karakter
i += 1
karakter = regel[i]
beschrijving = regel[len(IDcode)+1:]
n = len(beschrijving)
for i in range(n):
ID= str(IDcode) + "." + str(i)
waarde = beschrijving[i]
if ID not in dict:
dict[ID] = waarde
return dict
def decodeer(tekst,dict):
#value error met try en except blokken (except is dus wnr dit niet is)
try:
return ''.join(dict[karakter] for karakter in tekst.split())
except KeyError as error:
raise ValueError('ongeldige gecodeerde tekst')
def karakter2codes(bestand):
dict = code2karakter(bestand)
nieuwe_dict = {}
for sleutel in dict:
waarde = dict[sleutel]
if waarde not in nieuwe_dict:
nieuwe_dict[waarde] = set()
nieuwe_dict[waarde].add(sleutel)
return nieuwe_dict
def codeer(tekst,dict):
from random import choice
try:
return ' '.join(choice(list(dict[karakter])) for karakter in tekst)
except KeyError as error:
raise ValueError("ongeldige platte tekst") from error
Spectroscopie
def referentiespectra(bestand):
with open(bestand,'r',encoding='utf-8') as invoer:
dict = {}
for regel in invoer:
fi fi
, lijst = regel.split()
element = lijst[0]
waarden = lijst[1]
nieuwe_lijst = waarden.split(",")
verz = []
for karakter in nieuwe_lijst:
verz.append( oat(karakter))
dict[element] = tuple(sorted(verz))
return dict
Eiwitmassa
def massatabel(bestand):
dict = {}
with open(bestand,'r') as invoer:
for line in invoer:
letter, massa = line.split()
dict[letter] = oat(massa)
return dict
def eiwitmassa(woord,tabel,peptide=False):
som = 0
for karakter in woord:
som += tabel[karakter]
if peptide is False:
som += 18.01056
return som
return som
Levende voormalige presidenten
import csv
import datetime
from datetime import date,timedelta
#we gaan ervannnuit dat bestand gwn in huidige directory bevindt, dus niet mer urlib ofzo werken
def omzet(datum):
#22/2/1732
lijst = datum.split("/")
dag = int(lijst[0])
maand = int(lijst[1])
jaar = int(lijst[-1])
datum = date(jaar, maand, dag)
return datum
def staatshoofden(bestand):
with open(bestand,'r',encoding='utf-8') as data:
inlezen = csv.reader(data,delimiter='\t')
dict = {}
for regel in inlezen:
naam = regel[0]
geboorte = omzet(str(regel[1]))
begin = omzet(str(regel[2]))
if regel[3] is not "":
einde = omzet(str(regel[3]))
else:
einde = None
if regel[4] is not "":
overlijden = omzet(str(regel[4]))
else:
fl fl
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