Question

write a program in python that displays the following pattern::
1
1*
1*#
1*#*
1*#*#

​

Answer 1

Answer:

Here you go:

$\\\tt n= int( in put("Enter\ the\ number\ of\ rows: ")) \\\tt pre='1' \\\tt print(1) \\\tt for\ i\ in\ range(1,n): \\\tt{\qquad if\ i\%2==0:}\\\tt{\qquad{\qquad pre+="*"}} \\\tt{\qquad else:}\\\tt{\qquad{\qquad pre+="\#"}}\\\tt{\qquad print(pre)}$

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