# define function to pause in tutorial
def pause():
  raw_input('...')
print '\n'*24
# strings:  example of a long string spanning several lines
print """>>> stringOne = 'this is a long\ """
print """string of several lines\ """
print """by using backslash (often works in Unix)'"""
print '>>> print StringOne'
stringOne = 'this is a long\
string of several lines\
by using backslash (often works in Unix)'
print stringOne
pause()
# strings:  example of long string of several lines
print """>>> stringTwo = '''this is an example of 
a several line-long string
that includes newline characters'''"""
print '>>> print stringTwo'
stringTwo = '''this is an example of 
a several line-long string
that includes newline characters'''
print stringTwo
pause()
# strings:  examples of built-in methods
print ">>> len(stringOne), len(stringTwo)\n", len(stringOne), len(stringTwo)
pause()
# hunting for the character 'n'
print ">>> stringOne.index('n')\n", stringOne.index('n')
pause()
# testing for a character or string
print ">>> 'a' in stringOne\n", 'a' in stringOne
pause()
print ">>> 'this' in stringOne\n", 'this' in stringOne
pause()
# show that indexing works for string
print ">>> stringOne[8]\n", stringOne[8]
pause()
# show that slicing works for string
print ">>> stringOne[7:25]\n", stringOne[7:25]
pause()
# convert number into a string
print ">>> type(7) = ", type(7)
print ">>> type('abc') =", type('abc')
print ">>> type(str(7)) = ", type(str(7))
pause()
# convert words in a string into a sequence 
print ">>> s = stringTwo.split(' ')"
s = stringTwo.split(' ')
print s
pause()
# convert sequence of strings into a string
print ">>> t = '_'.join(s)"
t = '_'.join(s)
print t
pause()
# formatting with a string
print "using % to format with a string"
print ">>> y = 'x is %d' % 7"
y = 'x is %d' % 7
print 'y =',y
pause()
# formatting example
print '>>> print "the field %s is %e" % ("hival",1593.997)'
print "the field %s is %e" % ('hival',1593.997)
pause()