Contoh program : Program Python untuk Mendapatkan Hitungan Baris dari File

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Contoh 1: Menggunakan perulangan for

Isi filenya my_file.txt aku s

honda 1948
mercedes 1926
ford 1903

Kode sumber

def file_len(fname):
    with open(fname) as f:
        for i, l in enumerate(f):
            pass
    return i + 1

print(file_len("my_file.txt"))

Keluaran

3

Contoh 2: Menggunakan pemahaman daftar

num_of_lines = sum(1 for l in open('my_file.txt'))

print(num_of_lines)

Keluaran

3

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