>>> print "hello World"
  File "<stdin>", line 1
    print "hello World"
                      ^
SyntaxError: invalid syntax

print("Hello World")

print('Hello world!')

print("Hello world")

print("hello World")

print("Hello World")

from __future__ import print_function

Old: print "The answer is", 2*2
New: print("The answer is", 2*2)

Old: print x,           # Trailing comma suppresses newline
New: print(x, end=" ")  # Appends a space instead of a newline

Old: print              # Prints a newline
New: print()            # You must call the function!

Old: print >>sys.stderr, "fatal error"
New: print("fatal error", file=sys.stderr)

Old: print (x, y)       # prints repr((x, y))
New: print((x, y))      # Not the same as print(x, y)!