Added python solutions

Author: shekhuverma

Algorithms/Python/Maximum Sum/Maximum_Sum.py

@@ -0,0 +1,14 @@
+# Write your code here
+N=map(int,raw_input().split())
+arr=map(int,raw_input().split())
+s=0 #To save the sum
+l=0 #To save the result
+if (max(arr)<0 and min(arr)<0):
+    s=max(arr)
+    l=1
+else:
+    for a in arr:
+        if a>=0:
+            s+=a
+            l+=1
+print s,l

Algorithms/Python/Policemen and thieves/Policemen_and_thieves.py

@@ -0,0 +1,33 @@
+def solution (A, K):
+    # Write your code here
+    ans=0 #To save the result 
+    if K > len(A):
+        for row in A:
+             ans+=(min(row.count("T"),row.count("P")))
+        return ans
+        
+    for row in A:
+        arr_len = len(row)
+        for i in range(arr_len):
+            if row[i] == 'P':
+                thieve_found = False
+                for thief in range(max(0,i-K),min(i+K+1,arr_len)):
+                    if row[thief] == 'T':
+                        row[thief] = 'X'
+                        thieve_found = True
+                        break
+                
+                if thieve_found:
+                    ans += 1
+    return ans               
+
+        
+ 
+T = input()
+for _ in xrange(T):
+    N, K = map(int, raw_input().split())
+    A = []
+    for _ in xrange(N):
+        A.append(raw_input().split())
+    out_ = solution(A, K)
+    print out_