#!/usr/bin//python3
def main():
         print ("Hello from Python!")
         a={"one":1, "two":32, "three":[1,2,3]}
         print(a)
         print (a["one"])
         print (a["three"])
         a["four"]=[5,6,7]
         print (a)
         b=4.5678932
         c=21
         print("{0:2d},{1:.2f}".format(c,b))
        t=[[1,2,3],[4,5,6]] #(2x3)
        print (t)
        print (t[0][0],",",t[0][1],",",t[1][0])

        p=[[x for x in range(8)] for y in range(8)]
        print (p)

        for v in p:
             for el in v:
                  print (el,end=" ")
               print ("\n", end"")
         
if __name__=="__main__":
         main()