# define function to pause in tutorial
def pause():
  raw_input('...')
print '\n'*24

# boolean conditions in Python
print "type(True), type(False)"
print type(True), type(False)
pause()

# negation
print "not True"
print not True
pause()

# in
print "0 in [1,0,2]"
print 0 in [1,0,2]
pause()

# in
print "'a' in 'test of a phrase'"
print 'a' in 'test of a phrase'
pause()

print "'ra' in 'test of a phrase'"
print 'ra' in 'test of a phrase'
pause()

print "'z' in 'test of a phrase'"
print 'z' in 'test of a phrase'
pause()

# and
print "5>2 and 6>1"
print 5>2 and 6>1
pause()

# or
print "5>1 or 1>=6"
print 5>1 or 1>=6
pause()

# also considered False
print "Also treated as False are other empty or zero types ..."
print "None  # empty object reference"
print "0 # the number zero (also 0.0)"
print "[] # empty sequence"
print "'' # empty string"
print "() # empty tuple"
print "{} # empty dictionary"

pause()

# regular expressions
print "Also, can use regular expressions using Python's re module"
print "import re"
print 'print type(re.match("[0-5]e", "3e"))'
import re
print type(re.match("[0-5]e","3e"))
pause()
print 'print type(re.match("[0-5]e", "3f"))'
print type(re.match("[0-5]e","3f"))
pause()
print "def f():\n if re.match('ab','c'): print 3\n else: print 4"
print "f()"
def f():
 if re.match('ab','c'): print 3
 else: print 4
f()
pause()