append value to array python code example

Example 1: append element to an array python

x = ['Red', 'Blue']
x.append('Yellow')

Example 2: python array append

my_list = ['a','b']  
my_list.append('c') 
print(my_list)      # ['a','b','c']

other_list = [1,2] 
my_list.append(other_list) 
print(my_list)      # ['a','b','c',[1,2]]

my_list.extend(other_list) 
print(my_list)      # ['a','b','c',[1,2],1,2]

Example 3: append item to array python

data = []
data.append("Item")

print(data)

Example 4: python add element to array

my_list = []

my_list.append(12)

Example 5: np append row

A= [[1, 2, 3], [4, 5, 6]]
np.append(A, [[7, 8, 9]], axis=0)

    >> array([[1, 2, 3],
              [4, 5, 6],
              [7, 8, 9]])
#or 
np.r_[A,[[7,8,9]]]

Example 6: numpy python add array

x1 = [1, 2]
x2 = [1, 2]
print(np.add(x1, x2))
# [2, 4]