In [4]:

    

# A simple pattern to start off

for outer in range(5):
    for inner in range(outer):
        print inner,
    print " "


    

    




 
0  
0 1  
0 1 2  
0 1 2 3  

In [6]:

    

# A simple decision making program

age = input("Enter your age ")
if age < 18:
    print "Not an adult."
else:
    print "Adult."


    

    




Enter your age 0
Not an adult.

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