Quiz Numpy

Module 3: NumPy

import numpy as np
x = np.array([])
y = np.zeros(3)
a = np.concatenate([x, y])
print(a)

import numpy as np
x = 10
np.random.seed(x)
x = np.random.randint(low=0, high=1000)
print(x)

import numpy as np
arr = np.array([1, 2, 3, 4, 5])
result = 1
for i in arr:
    result = result - i

print(result)
print(1 - np.cumsum(arr))
print(1 - np.sum(arr))
print(1 - np.diff(arr))

x = np.array([[1, 2], [3, 4]])
x[:, 0] = 0

print(x)

import numpy as np
a = np.array([1, 2, 3])
b = np.array([4, 5, 6, 7])
c = b > a

print(c)

import numpy as np
arr = np.array([1, 2, 3, 4, 5])

print(arr[1::2])
print(arr[arr % 2 != 0])
print(arr[(arr.astype(int) / 2) != (arr / 2)])