擅长:python、mysql、java
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<pre class="snippet-code-html lang-html prettyprint-override"><code>def triangle(n):
k = 2*n - 2
for i in range(0, n):
for j in range(0, k):
print(end=" ")
k = k - 1
for j in range(0, i+1):
print("| ", end="")
print("\r")
n = 5
triangle(n)
this will return
D:\>st.py
|
| |
| | |
| | | |
| | | | |</code></pre>
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