auto save

qqq.py

+num=int(input("请输入个数"))
+for i in range(num):
+    for k in range(num-i-1):
+        print(" ", end = "")
+    for j in range(2*i+1):
+        print("x",end = "")
+    print()
+list= [11,2,3,4,66,78,99,11]
+for i in range():
+    for j in range():
+        
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