kode python

Python getattr default tidak berfungsi

Fungsi python getattr() digunakan untuk mengakses nilai atribut suatu objek dan juga memberikan opsi untuk mengeksekusi nilai default jika kunci tidak tersedia

Sintaksis. getattr(obj, kunci, def)
Parameter.
obj. Objek yang atributnya perlu diproses
kunci. Atribut objek
def. Nilai default yang perlu dicetak jika atribut case tidak ditemukan
Pengembalian. Nilai objek jika nilai tersedia, nilai default jika atribut tidak ada
dan mengembalikan AttributeError jika atribut tidak ada dan nilai default tidak ada
ditentukan.

Bagaimana getattr() bekerja dengan Python

Contoh 1. Mendemonstrasikan cara kerja getattr()

Python3

# Python code to demonstrate

# working of getattr()

# declaring class

class AttributeError: GfG instance has no attribute 'motto'0

AttributeError: GfG instance has no attribute 'motto'1AttributeError: GfG instance has no attribute 'motto'2AttributeError: GfG instance has no attribute 'motto'3 AttributeError: GfG instance has no attribute 'motto'4

AttributeError: GfG instance has no attribute 'motto'1AttributeError: GfG instance has no attribute 'motto'6AttributeError: GfG instance has no attribute 'motto'3 AttributeError: GfG instance has no attribute 'motto'8

AttributeError: GfG instance has no attribute 'motto'_9

AttributeError: 'GfG' object has no attribute 'gender'_0

AttributeError: 'GfG' object has no attribute 'gender'1AttributeError: GfG instance has no attribute 'motto'3 AttributeError: 'GfG' object has no attribute 'gender'3

AttributeError: 'GfG' object has no attribute 'gender'_4

AttributeError: 'GfG' object has no attribute 'gender'5AttributeError: 'GfG' object has no attribute 'gender'6AttributeError: 'GfG' object has no attribute 'gender'7 AttributeError: 'GfG' object has no attribute 'gender'8 AttributeError: 'GfG' object has no attribute 'gender'9The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-060The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-061The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-062

The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-063

AttributeError: 'GfG' object has no attribute 'gender'5AttributeError: 'GfG' object has no attribute 'gender'6The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-066 AttributeError: 'GfG' object has no attribute 'gender'8 AttributeError: 'GfG' object has no attribute 'gender'9The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-060

________30______0AttributeError: 'GfG' object has no attribute 'motto'1AttributeError: 'GfG' object has no attribute 'motto'2

________30______0AttributeError: 'GfG' object has no attribute 'motto'4The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-062

AttributeError: 'GfG' object has no attribute 'motto'6

AttributeError: 'GfG' object has no attribute 'gender'5AttributeError: 'GfG' object has no attribute 'gender'6AttributeError: 'GfG' object has no attribute 'motto'9 AttributeError: 'GfG' object has no attribute 'gender'8 AttributeError: 'GfG' object has no attribute 'gender'9The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-060<__main__.GfG object at 0x0000023C1ED92748> <class '__main__.GfG'> <bound method GfG.call of <__main__.GfG object at 0x0000023C1ED92748>> Vivek called with parameters 'arg'3The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-062

Keluaran.

The name is GeeksforGeeks Description is CS Portal

Pengecualian.

AttributeError: GfG instance has no attribute 'motto'

Contoh 2. getattr() ketika atribut bernama tidak ditemukan

Python3

# Python code to demonstrate

# working of getattr()

# declaring class

class AttributeError: GfG instance has no attribute 'motto'0

# Python code to demonstrate_8

AttributeError: 'GfG' object has no attribute 'gender'1AttributeError: GfG instance has no attribute 'motto'3 AttributeError: 'GfG' object has no attribute 'gender'3

AttributeError: 'GfG' object has no attribute 'motto'6

AttributeError: 'GfG' object has no attribute 'gender'5AttributeError: 'GfG' object has no attribute 'gender'6# working of getattr()5 AttributeError: 'GfG' object has no attribute 'gender'8 AttributeError: 'GfG' object has no attribute 'gender'9The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-060# working of getattr()9The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-062

Keluaran

AttributeError: 'GfG' object has no attribute 'gender'

Contoh 3. Analisis Kinerja dan getattr python dengan parameter

Python3

# Python code to demonstrate

# declaring class_2

# declaring class3 # declaring class4

# declaring class

class AttributeError: GfG instance has no attribute 'motto'0

# Python code to demonstrate_8

AttributeError: 'GfG' object has no attribute 'gender'1AttributeError: GfG instance has no attribute 'motto'3 AttributeError: 'GfG' object has no attribute 'gender'3

AttributeError: GfG instance has no attribute 'motto'_00

AttributeError: GfG instance has no attribute 'motto'01AttributeError: GfG instance has no attribute 'motto'3 AttributeError: GfG instance has no attribute 'motto'03

AttributeError: 'GfG' object has no attribute 'gender'5AttributeError: 'GfG' object has no attribute 'gender'6AttributeError: GfG instance has no attribute 'motto'14 AttributeError: 'GfG' object has no attribute 'gender'8 AttributeError: GfG instance has no attribute 'motto'16AttributeError: GfG instance has no attribute 'motto'17AttributeError: GfG instance has no attribute 'motto'18 AttributeError: GfG instance has no attribute 'motto'19

AttributeError: GfG instance has no attribute 'motto'_20

AttributeError: GfG instance has no attribute 'motto'21AttributeError: GfG instance has no attribute 'motto'3 AttributeError: GfG instance has no attribute 'motto'03

AttributeError: 'GfG' object has no attribute 'gender'5AttributeError: 'GfG' object has no attribute 'gender'6AttributeError: GfG instance has no attribute 'motto'31 AttributeError: 'GfG' object has no attribute 'gender'8 AttributeError: GfG instance has no attribute 'motto'16AttributeError: GfG instance has no attribute 'motto'17AttributeError: GfG instance has no attribute 'motto'18 AttributeError: GfG instance has no attribute 'motto'36

Keluaran.

The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-06

Contoh 4. getattr nilai default Python

Python3

# Python code to demonstrate

# working of getattr()

# declaring class

class AttributeError: GfG instance has no attribute 'motto'0

# Python code to demonstrate_8

AttributeError: 'GfG' object has no attribute 'gender'1AttributeError: GfG instance has no attribute 'motto'3 AttributeError: 'GfG' object has no attribute 'gender'3

AttributeError: 'GfG' object has no attribute 'motto'6

Keluaran

AttributeError: 'GfG' object has no attribute 'motto'

Contoh 5. Pemanggilan fungsi python getattr()

Python3

# Python code to demonstrate

# working of getattr()

# declaring class

class AttributeError: GfG instance has no attribute 'motto'0

AttributeError: GfG instance has no attribute 'motto'_1

AttributeError: GfG instance has no attribute 'motto'1AttributeError: GfG instance has no attribute 'motto'70 AttributeError: GfG instance has no attribute 'motto'71AttributeError: GfG instance has no attribute 'motto'72AttributeError: GfG instance has no attribute 'motto'73

AttributeError: GfG instance has no attribute 'motto'74AttributeError: GfG instance has no attribute 'motto'72AttributeError: GfG instance has no attribute 'motto'76AttributeError: GfG instance has no attribute 'motto'3 AttributeError: GfG instance has no attribute 'motto'2

AttributeError: GfG instance has no attribute 'motto'74AttributeError: GfG instance has no attribute 'motto'72AttributeError: GfG instance has no attribute 'motto'81AttributeError: GfG instance has no attribute 'motto'3 AttributeError: GfG instance has no attribute 'motto'6

AttributeError: GfG instance has no attribute 'motto'1AttributeError: GfG instance has no attribute 'motto'70 AttributeError: GfG instance has no attribute 'motto'86AttributeError: GfG instance has no attribute 'motto'72AttributeError: GfG instance has no attribute 'motto'88

AttributeError: GfG instance has no attribute 'motto'74AttributeError: 'GfG' object has no attribute 'gender'5AttributeError: GfG instance has no attribute 'motto'91AttributeError: GfG instance has no attribute 'motto'92________0______93

AttributeError: GfG instance has no attribute 'motto'74AttributeError: GfG instance has no attribute 'motto'95

# Python code to demonstrate_8

AttributeError: 'GfG' object has no attribute 'gender'1AttributeError: GfG instance has no attribute 'motto'3 AttributeError: GfG instance has no attribute 'motto'99AttributeError: 'GfG' object has no attribute 'gender'00AttributeError: 'GfG' object has no attribute 'motto'2AttributeError: 'GfG' object has no attribute 'gender'02AttributeError: GfG instance has no attribute 'motto'93

________10AttributeError: GfG instance has no attribute 'motto'_10_______05

________10AttributeError: GfG instance has no attribute 'motto'_10_______07

AttributeError: 'GfG' object has no attribute 'gender'5AttributeError: 'GfG' object has no attribute 'gender'6AttributeError: 'GfG' object has no attribute 'gender'9The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-060AttributeError: 'GfG' object has no attribute 'gender'12The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-062

AttributeError: 'GfG' object has no attribute 'gender'9The name is GeeksforGeeks Time to execute getattr 5.0067901611328125e-06 The name is GeeksforGeeks Time to execute conventional method 1.1920928955078125e-060AttributeError: 'GfG' object has no attribute 'gender'12AttributeError: 'GfG' object has no attribute 'gender'17AttributeError: 'GfG' object has no attribute 'gender'18AttributeError: GfG instance has no attribute 'motto'93

Keluaran

<__main__.GfG object at 0x0000023C1ED92748> <class '__main__.GfG'> <bound method GfG.call of <__main__.GfG object at 0x0000023C1ED92748>> Vivek called with parameters 'arg'

Hasil. Metode konvensional memakan waktu lebih sedikit daripada getattr(), tetapi ketika nilai default harus digunakan jika ada atribut yang hilang, getattr() adalah pilihan yang baik

Aplikasi. Ada banyak aplikasi getattr(), beberapa di antaranya telah disebutkan dalam kasus tidak adanya atribut objek, dalam pengembangan web di mana beberapa atribut bentuk bersifat opsional. Juga berguna dalam kasus pengumpulan fitur Pembelajaran Mesin jika beberapa fitur terkadang hilang dalam pengumpulan data

Apa metode default Getattr dengan Python?

Fungsi Python getattr() digunakan untuk mendapatkan nilai atribut objek dan jika tidak ada atribut objek yang ditemukan, nilai default dikembalikan. Basically, returning the default value is the main reason why you may need to use Python getattr() function.

Bagaimana cara mendapatkan Getattr dengan Python?

Sintaksis. getattr(obj, kunci, def)

Parameter

Pengembalian. Nilai objek jika nilai tersedia, nilai default jika atribut tidak ada. dan mengembalikan AttributeError jika atribut tidak ada dan nilai default tidak ada. ditentukan

Untuk apa nama default Getattr OBJ digunakan?

Metode getattr() mengembalikan nilai atribut bernama dari suatu objek. Jika tidak ditemukan, ini mengembalikan nilai default yang diberikan ke fungsi

Apa yang dilakukan Getattr () dengan Python?

Fungsi getattr() mengembalikan nilai atribut yang ditentukan dari objek yang ditentukan .

Python getattr default tidak berfungsi

Bagaimana getattr() bekerja dengan Python

Contoh 1. Mendemonstrasikan cara kerja getattr()

Python3

Contoh 2. getattr() ketika atribut bernama tidak ditemukan

Python3

Contoh 3. Analisis Kinerja dan getattr python dengan parameter

Python3

Contoh 4. getattr nilai default Python

Python3

Contoh 5. Pemanggilan fungsi python getattr()

Python3

Apa metode default Getattr dengan Python?

Bagaimana cara mendapatkan Getattr dengan Python?

Untuk apa nama default Getattr OBJ digunakan?

Apa yang dilakukan Getattr () dengan Python?

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