programming task 7 added

Author: prash5t

programming-py/7.py

@@ -0,0 +1,15 @@
+def reverse(x):
+    if x < 0:
+        reversed = int("-"+str(x)[1::][::-1])
+    else:
+        reversed = int(str(x)[::-1])
+    if reversed < (-2 ** 31) or reversed >= (2 ** 31):
+        return 0
+    return reversed
+
+
+# test below
+print(reverse(123))
+print(reverse(-123))
+print(reverse(120))
+print(reverse(1534236469))