Python String Birleştirme

strjoin.py

def f1(n):
    import time
    start=time.time()
    a = ["Hi there "]
    for i in range(n):
        a.append(f"({i},{i}),")
    s="".join(a)
    end=time.time()
    print(f"{n} adet deneme -> {end-start}")
    return s

if __name__=="__main__":
    f1(100000)
    f1(1000000)
    f1(10000000)
    
    #100000 adet deneme -> 0.055971384048461914
    #1000000 adet deneme -> 0.5546951293945312
    #10000000 adet deneme -> 5.642395734786987