[Python 3.6] * 찍기

[Python 3.6] * 찍기

import sys

i = 0
k = 0
j = int(input("input: "))
while i < j :
    while k <= i :
        sys.stdout.write("*")
        k = k + 1
    i = i + 1
    k = 0
    sys.stdout.write("\n")

i = 0
while i < j - 1 :
    while k < j - i - 1:
        sys.stdout.write("*")
        k = k + 1
    i = i + 1
    k = 0
    sys.stdout.write("\n")

input: 3

*

**

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*