input: Write a function to store and print the multiplication table of a given number.
  
  def print_multiplication_table(num):
      for i in range(1, 11):
          print('{0} x {1} = {2}'.format(num, i, num*i))
          
  assert print_multiplication_table(5)=='5 x 1 = 5\n5 x 2 = 10\n5 x 3 = 15\n5 x 4 = 20\n5 x 5 = 25\n5 x 6 = 30\n5 x 7 = 35\n5 x 8 = 40\n5 x 9 = 45\n5 x 10 = 50\n'
  assert print_multiplication_table(1)=='1 x 1 = 1\n1 x 2 = 2\n1 x 3 = 3\n1 x 4 = 4\n1 x 5 = 5\n1 x 6 = 6\n1 x 7 = 7\n1 x 8 = 8\n1 x 9 = 9\n1 x 10 = 10\n'
  assert print_multiplication_table(0)=='0 x 1 = 0\n0 x 2 = 0\n0 x 3 = 0\n0 x 4 = 0\n0 x 5 = 0\n0 x 6 = 0\n0 x 7 = 0\n0 x 8 = 0\n0 x 9 = 0\n0 x 10 = 0\n'
  assert print_multiplication_table(10)=='10 x 1 = 10\n10 x 2 = 20\n10 x 3 = 30\n10 x 4 = 40\n10 x 5 = 50\n10 x 6 = 60\n10 x 7 = 70\n10 x 8 = 80\n10 x 9 = 90\n10 x 10 = 100\n'
  assert print_multiplication_table(7)=='7 x 1 = 7\n7 x 2 = 14\n7 x 3 = 21\n7 x 4 = 28\n7 x 5 = 35\n7 x 6 = 42\n7 x 7 = 49\n7 x 8 = 56\n7 x 9 = 63\n7 x 10 = 70\n'
output: def print_multiplication_table(num):
      for i in range(1, 11):
          print('{0} x {1} = {2}'.format(num, i, num*i))