ShapesofYou - Programming Challenge#

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import random
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from libnum import s2n
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def print_triangle(n: int):
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    for i in range(1, n + 1):
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        print("*" * i)
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def print_square(n: int):
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    for _ in range(n):
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        print("*" * n)
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def print_circle(r: int):
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    for y in range(-r, r + 1):
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        line = ""
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        for x in range(-r, r + 1):
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            if x * x + y * y <= r * r:
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                line += "*"
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            else:
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                line += " "
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        print(line)
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flag=b'hidden_msg'
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N=s2n(flag)
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oct_N=oct(N)
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l=list(str(oct_N)[2:])
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for i in range(len(l)):
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    n=int(l[i])
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    if n==0:
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        print('#0#')
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    else:
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        c=random.randrange(1, 4)
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        if c == 1:
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            print_triangle(n)
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        elif c == 2:
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            print_square(n)
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        else:
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            print_circle(n)