diff --git a/Tutorial/02_Fourier_transform_and_calculate_band_structures.py b/Tutorial/Fourier_transform_and_calculate_band_structures.py similarity index 100% rename from Tutorial/02_Fourier_transform_and_calculate_band_structures.py rename to Tutorial/Fourier_transform_and_calculate_band_structures.py diff --git a/Tutorial/03_Hamiltonian_of_finite_size_systems.py b/Tutorial/Hamiltonian_of_finite_size_systems.py similarity index 100% rename from Tutorial/03_Hamiltonian_of_finite_size_systems.py rename to Tutorial/Hamiltonian_of_finite_size_systems.py diff --git a/Tutorial/07_calculate_Chern_number_and_Wilson_loop.py b/Tutorial/calculate_Chern_number_and_Wilson_loop.py similarity index 100% rename from Tutorial/07_calculate_Chern_number_and_Wilson_loop.py rename to Tutorial/calculate_Chern_number_and_Wilson_loop.py diff --git a/Tutorial/06_calculate_conductance_and_scattering_matrix.py b/Tutorial/calculate_conductance_and_scattering_matrix.py similarity index 100% rename from Tutorial/06_calculate_conductance_and_scattering_matrix.py rename to Tutorial/calculate_conductance_and_scattering_matrix.py diff --git a/Tutorial/05_calculate_density_of_states.py b/Tutorial/calculate_density_of_states.py similarity index 100% rename from Tutorial/05_calculate_density_of_states.py rename to Tutorial/calculate_density_of_states.py diff --git a/Tutorial/10_division_of_parameter_array.py b/Tutorial/division_of_parameter_array.py similarity index 100% rename from Tutorial/10_division_of_parameter_array.py rename to Tutorial/division_of_parameter_array.py diff --git a/Tutorial/09_fixed_gauge_of_wave_functions.py b/Tutorial/fixed_gauge_of_wave_functions.py similarity index 100% rename from Tutorial/09_fixed_gauge_of_wave_functions.py rename to Tutorial/fixed_gauge_of_wave_functions.py diff --git a/Tutorial/08_read_and_write.py b/Tutorial/read_and_write.py similarity index 100% rename from Tutorial/08_read_and_write.py rename to Tutorial/read_and_write.py diff --git a/Tutorial/04_some_models_in_the_reciprocal_space.py b/Tutorial/some_models_in_the_reciprocal_space.py similarity index 100% rename from Tutorial/04_some_models_in_the_reciprocal_space.py rename to Tutorial/some_models_in_the_reciprocal_space.py diff --git a/Tutorial/01_test_and_Pauli_matrix.py b/Tutorial/test_and_Pauli_matrix.py similarity index 100% rename from Tutorial/01_test_and_Pauli_matrix.py rename to Tutorial/test_and_Pauli_matrix.py