# slide 9
x = 5
y = x*x + 1
print x + y

# slide 18
text1 = "ena halvan"
text2 = 'andra halvan'
print text1 + " " + text2
print text1[0]

# slide 23
textlistan = [ "en", "lista", "med", "flera", "ord" ]
nummerlistan = [ 87, 12, 35 ]
print textlistan[0]
print nummerlistan[2]

# slide 24
texten = "en text med flera stycken ord"
orden_i_texten = texten.split()
print orden_i_texten[1]

# slide 25
ordklasstabell = { "katt": "substantiv" }
ordklasstabell["sitta"] = "verb"
ordklasstabell["under"] = "preposition"
print ordklasstabell["sitta"]

# slide 27
nummerlistan = [ 87, 12, 35 ]
for numret in nummerlistan:
    print numret

# slide 29
mylist = [7, 4, 8, 12]
listsum = 0
for x in mylist:
    listsum = listsum + x
print listsum

# slide 33
x = 7
y = 8
if x > y:
    print "x is the largest"
elif x < y:
    print "y is the largest"
else:
    print "x and y are equal"

# slide 35
ordklasstabell = { "katt": "substantiv" }
ordklasstabell["sitta"] = "verb"
ordklasstabell["under"] = "preposition"

print ordklasstabell["sitta"]

testordet = "katt"
if testordet in ordklasstabell:
    print "ordet finns i tabellen"
else:
    print "ordet finns INTE i tabellen!"


# slide 36
tabell = {}
f = open("tidningen.txt")
texten = f.read()
orden_i_texten = texten.split()

for ordet in orden_i_texten:
    if ordet in tabell:
        tabell[ordet] = tabell[ordet] + 1
    else:
        tabell[ordet] = 1

for ordtyp in tabell:
    print ordtyp, tabell[ordtyp]