auto save

diy1.py

+a="ghgjhg"
+if "g" in a:
+    a=a.replace("g","x")
+if "h" in a:
+    a=a.replace("h","y")
+print(a)
+
+b=0.1
+c=3
+d="dfdfg"
+e={'name':'lili','age':12}
+print("my  name is %(name)s,I am %(age)d"%e)
+print("这是例子：%f,%d%%,%s"%(b,c,d))
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