Concatenation in python

Author: Snigdha667

Concatenate.py

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+# Enter your code here. Read input from STDIN. Print output to STDOUT
+import numpy
+s=list(map(int,raw_input().split()))
+s1=[]
+s2=[]
+for i in range(s[0]):
+    s1.append(list(map(int,raw_input().split())))
+for j in range(s[1]):
+    s2.append(list(map(int,raw_input().split())))
+arr1 = numpy.array(s1)
+arr2 = numpy.array(s2)
+print numpy.concatenate((arr1, arr2), axis = 0)