1234567
            
import numpy as np
# Creating list of integers called `lst`
lst = [1, 2, 3]
# Creating NumPy array `arr` from list `lst`
arr = np.array(lst)
print(arr)
print(type(arr))

              
1234
            
import numpy as np
# Creating array, in which the first row is [0, 1] and the second is [2, 3]
arr = np.array([[0, 1], [2, 3]])
print(arr)

              
123456
            
import numpy as np
# Initializing array `a`
a = np.array([0, 1, 2, 3, -1])
# Getting minimum value from `a`
min_ = a.min()
print(min_)

              
123456
            
import numpy as np
# Initializing array `a`
a = np.array([[1, 2, 3, 0], [4, 5, 6, 9]])
# Getting mean value for each column of `a`
mean_ = a.mean(axis = 0)
print(mean_)