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import numpy as np
# Сreating a 1D array of zeros with 5 elements
zeros_1d = np.zeros(5)
print(zeros_1d)
# Сreating a 1D array of zeros with specifying dtype
zeros_1d_int = np.zeros(5, dtype=np.int8)
print(zeros_1d_int)
# Сreating a 2D array of zeros of shape 5x3
zeros_2d = np.zeros((5, 3))
print(zeros_2d)

              
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import numpy as np
# Сreating a 1D array of ones with 5 elements
ones_1d = np.ones(5)
print(ones_1d)
# Сreating a 1D array of ones with specifying dtype
ones_1d_int = np.ones(5, dtype=np.int8)
print(ones_1d_int)
# Сreating a 2D array of ones of shape 5x3
ones_2d = np.ones((5, 3))
print(ones_2d)

              
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import numpy as np
# Сreate an array of fours of size 5
array_fours_1d = np.full(5, 4)
# Сreate an array of fives of shape 4x2
array_fives_2d = np.full((4, 2), 5)
print(f'1D fours array: {array_fours_1d}')
print(f'2D fives array:\n{array_fives_2d}')