Add new file

p2.txt

+1.
+
+dict={}
+for i inorigItems:if not in dict then adddict[i
+
+for i in items:
+if(dict[i]-price[i])!=0:ans++
+print ans
+
+
+2.
+
+i=len(pre)-2
+while i>0:
+y=pre[i:]
+if(text startswith(y)):length=len(y) 
+if(length<=len(pre):
+max1=length
+string1=y
+
+i=0
+while i<len(suffix):
+y=suffix[:i]
+if(text endswith(y)):length=len(y) 
+if(length<=len(pre):
+max2=length
+string2=y
+
+summ=max1+max2
+ans=[]
+while i<=len(text):
+y=text[:i]
+if(text startswith(string1) and text endswith(y)):ans.append(y)
+
+y.sort()
+return y[0]
\ No newline at end of file