The following error occurred during execution:

print 'hello world'
  File "<ipython-input-1-d05d0c8adf1f>", line 1
    print 'hello world'
                      ^
SyntaxError: Missing parentheses in call to 'print'

Print (‘ hello world ‘)
print (‘ hello world ‘)
print (‘ hello world ‘)

print ('hello world')
hello world