how to repeat something in python code example

Example 1: how to reapete the code in python

for i in range(4):  # 4 = number of times you want to run the code
  print("Hello World")

Example 2: how to print a number at the end of a for loop in python

for i in range(1,4):
  if i == 3:
    print(i)

Example 3: python repet x time

for i in range(50):
    print "Some thing"

Example 4: .repeat python

>>> np.repeat(3, 4)
array([3, 3, 3, 3])
>>> x = np.array([[1,2],[3,4]])
>>> np.repeat(x, 2)
array([1, 1, 2, 2, 3, 3, 4, 4])
>>> np.repeat(x, 3, axis=1)
array([[1, 1, 1, 2, 2, 2],
       [3, 3, 3, 4, 4, 4]])
>>> np.repeat(x, [1, 2], axis=0)
array([[1, 2],
       [3, 4],
       [3, 4]])