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hello_world.py
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hello_world.py
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print "hello, world." #automatically prints endline
#the range function -- it's like a for loop. It can take three arguments
#(maybe more, but I never use more than three)
for i in range(10): #will print 0-9
print i #note that the print fuction automatically adds a return
#also note that the indentation is four spaces, and you need
#a colon for indentation
print "\n" #will actually print two endlines
for i in range (2,10):#now i starts at 2, goes to 10
print i
print "\n"
for i in range (0,10,2):#now starts at zero, but
print i
print "\n"
for i in range (10,0,-1):#woah! check this out! going backwards!
print i
print "\n"
list1 = [1,2,3,4]
list2 = ["one","two",3,4]
for item in list2: #I use this syntax all the time -- it iterates thorugh
print item #a 'list,' -- note that this isn't an "array"
for item1, item2 in zip(list1, list2): #this is just a funky way of iterating
#through two lists that have the same length
print list1, list2 #note that you can print multiple things with coma seperating them