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import sqlite3


con = sqlite3.connect("ogrenci.db")
cursor = con.cursor()
def tablo_olustur():

cursor.execute("CREATE TABLE IF NOT EXISTS ogrenciler(isim TEXT,vize INT,final INT,basari_notu INT)")


def isimİleArama(isim,vize,final):
cursor.execute("select * from ogrenciler ")
verileriAl=cursor.fetchall()
isim = []
vize = []
final = []
for i in verileriAl:
isim.append(i[0])
vize.append(i[1])
final.append(i[2])

secim = input("aramak istediğiniz ismi giriniz:")
for i in range(len(isim)):
if isim[i] == secim:
print("{} isimli kişinin vizesi : {} finali : {}".format(isim[i],vize[i],final[i]))
def listeleme(isim,vize,final,basari_notu):
veriGoster()


def basari_ort_enk_enb(isim,basari_notu):
cursor.execute("select isim,basari_notu from ogrenciler ")
verileriAl = cursor.fetchall()
enk=int(verileriAl[0][1])
enb=int(verileriAl[0][1])

for i in verileriAl:
if int(i[1])<enk:
enk=i[1]

if int(i[1])>enb:
enb=i[1]
print("en küçük başarı ort : {}".format(enk))
print("en büyük başarı ort : {}".format(enb))

def en_kucuk_bilgi(isim,vize,final,basari_notu):
cursor.execute("select * from ogrenciler ")
verileriAl = cursor.fetchall()
isim = []
vize = []
final = []
basari_notu = []
for i in verileriAl:
isim.append(i[0])
vize.append(i[1])
final.append(i[2])
basari_notu.append(int(i[3]))
enk = basari_notu[0]
enkindis =0
for i in range(len(basari_notu)):
if enk>basari_notu[i]:
enk=basari_notu[i]
enkindis=i

print("en küçük başarı notuna sahip kişinin ismi : {} vizesi :{} finali:{} bnsi:{}".format(isim[enkindis],vize[enkindis],final[enkindis],basari_notu[i]))



def veri_gir(isim,vize,final,basari_notu):
basari_notu = vize *0.4+final*0.6
cursor.execute("INSERT INTO ogrenciler VALUES(?,?,?,?)", (isim, vize, final, basari_notu))
con.commit()


def veriGoster():
cursor.execute("select * from ogrenciler")
verileriAl = cursor.fetchall()

for i in verileriAl:
print(i)

tablo_olustur()
isim=None
vize=None
final=None
basari_notu= None
while True:
secim = input("Girmek istediğiniz degeri girin çıkmak için q")
if secim =="q":
break

print("""
1-Kayıt ekleme
2-isim Arama
3-Listeleme
4-Başarı ort en küçük en büyük
5-en küçük bilgi
6-çıkış

""")

if secim =="1":
isim = input("isim giriniz")
vize = int(input("vize giriniz:"))
final = int(input("final giriniz:"))
veri_gir(isim,vize,final,basari_notu)
veriGoster()
elif secim =="2":
isimİleArama(isim,vize,final)
elif secim =="3":
listeleme(isim,vize,final,basari_notu)
elif secim =="4":
basari_ort_enk_enb(isim,basari_notu)
elif secim == "5":
en_kucuk_bilgi(isim,vize,final,basari_notu)
elif secim =="6":
exit(0)

------------------

import sqlite3

con=sqlite3.connect("kitaplar.db")
cursor = con.cursor()

def tablo_olustur():
cursor.execute("CREATE TABLE IF NOT EXISTS kitaplik(isim TEXT,yazar TEXT,yayınevi TEXT,sayfa_sayisi INT)")


"""def deger_ekle():
cursor.execute("INSERT INTO kitaplik VALUES('İstanbul Hatırası','Ahmet Ümit','Everest',261)")
con.commit()"""


def deger_ekle_parametreli(k_ad,k_yazar,k_yayin,k_sayfa):
cursor.execute("INSERT INTO kitaplik VALUES(?,?,?,?)",(k_ad,k_yazar,k_yayin,k_sayfa))
con.commit()
def verileri_al():
cursor.execute("SELECT * FROM kitaplik")
veri=cursor.fetchall()
print("tablodaki veriler")
for i in veri:
print(i)


def verileri_al_sinirli():
cursor.execute("SELECT isim,yayınevi FROM kitaplik")
veri=cursor.fetchall()
print("tablodaki veriler isim yayınevi")
for i in veri:
print(i)

def verileri_al_sinirli2(k_yayın):
cursor.execute("SELECT isim,yayınevi FROM kitaplik where yayınevi = ?",(k_yayın,))
veri=cursor.fetchall()
print("tablodaki veriler everest yayınevi")
for i in veri:
print(i)


def verilerguncelle(yayınevi):
cursor.execute("UPDATE kitaplik set yayınevi = ? where yayınevi= ?",(yayınevi,"gdfgd"))
con.commit()


def verileri_sil(k_yazar):
cursor.execute("DELETE FROM kitaplik where yazar = ?",(k_yazar,))
con.commit()


#tablo_olustur()
"""k_ad = input("Kitap adı")
k_yazar = input("Yazarı")
k_yayin = input("Yayın evi")
k_sayfa = input("Sayfa Sayısı")
deger_ekle_parametreli(k_ad,k_yazar,k_yayin,k_sayfa)
"""
#verileri_al()

#verileri_al_sinirli2("Everest")

#verilerguncelle("Doğan YayınEvi")
verileri_sil("Ahmet Ümit")
con.close()
     
 
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