bas_harfler=""

with open("siir.txt","r",encoding="utf-8") as file:
    for satir in file:
        bas_harfler+=satir[0]
    print(bas_harfler)

aa18c3158ab738914dcce83eeaaeeb954254bec9
<mask token>

<mask token>
with open('siir.txt', 'r', encoding='utf-8') as file:
    for satir in file:
        bas_harfler += satir[0]
    print(bas_harfler)

bas_harfler = ''
with open('siir.txt', 'r', encoding='utf-8') as file:
    for satir in file:
        bas_harfler += satir[0]
    print(bas_harfler)

bas_harfler=""

with open("siir.txt","r",encoding="utf-8") as file:
    for satir in file:
        bas_harfler+=satir[0]
    print(bas_harfler)
