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Muthu
Muthu

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Print * as a box

#interview #questions 
maxRows = 10
maxCols = 100
for i in range(maxRows):
    star = "*"
    for j in range(maxCols-2):
        if(i==0 or i==maxRows-1):
            star = star + "*"
        else:
            star = star + " "
    print(star+"*")
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printStar

Top comments (3)

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protium profile image
protium •

What about

n, m
print("*" * n)
print(("*" + " " * (n-2) + "*\n") * m - 2)
print("*" * n)

(sorry, I can't sleep)

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mu profile image
Muthu • • Edited

it throws error... but fixed it and the latest is 

n=10
m=5
print("*" * n)
print(("*" + " " * (n-2) + "*\n") * (m - 2))
print("*" * n)

error

But how to avoid the unnecessary new line, @protium ?

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protium profile image
protium • • Edited

Sorry, I didn't test it. You could add another print before the last line and multiply by m - 3. But notice that the code I wrote is awful and has a terrible performance. I just wanted to point out what awesome things you can do with python.

A good practice will be to solve it with just one for loop. It will have the same time complexity but it implies more math.

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