print "Hello World"

print 23+23

result = (23-1123)*2

print result

# ganzzahl integer: int()
# gleitkommazahl float: float()
# zeichenkette string: str() 

my_str = "Hello World"
print my_str

print "the message is " + my_str
print "The result is " + str(result) + " and the message is " + my_str

my_list = [ 12, 324, 123, 345, 85883838, 23]
print my_list [0]

my_colleagues = ["vera", "lili", "jana" , "svenja"]
print my_colleagues [-1]

#print my_strl [1:]

print my_colleagues [0]
print my_colleagues [1]
print my_colleagues [2]
print my_colleagues [3]


print len(my_colleagues)
i = 0 
while i < len(my_colleagues): 
    print my_colleagues [i]
    i = i+1

for i in my_colleagues:
    print i