diff --git a/Lectures_my/EMPP/MC_examples/Euler_number/e_num.py b/Lectures_my/EMPP/MC_examples/Euler_number/e_num.py
new file mode 100644
index 0000000..a27066a
--- /dev/null
+++ b/Lectures_my/EMPP/MC_examples/Euler_number/e_num.py
@@ -0,0 +1,26 @@
+from ROOT import  * 
+import sys
+
+def main(argv=sys.argv):  
+    e=2.7182818284590452353602874713527
+    seed=123
+    rand = TRandom(seed)
+    hist = TH1I("hist", "hist", 100,0.,100.)
+    for i in range(1,10**8+1):
+        n=0
+        start=0.;
+        while(true):
+            tmp=rand.Rndm()
+            n=n+1
+            if(tmp<start): break
+            else:
+
+                start=tmp
+        hist.Fill(n)
+        if( (i ==100) or (i==10000) or (i==1000000) or (i==10**8)):
+            print round(hist.GetMean(), 6), round(hist.GetMean()-e, 6)
+        
+
+
+if __name__ == "__main__":    
+    sys.exit(main())      
diff --git a/Lectures_my/EMPP/MC_examples/Euler_number/e_num.py~ b/Lectures_my/EMPP/MC_examples/Euler_number/e_num.py~
new file mode 100644
index 0000000..0922343
--- /dev/null
+++ b/Lectures_my/EMPP/MC_examples/Euler_number/e_num.py~
@@ -0,0 +1,26 @@
+from ROOT import  * 
+import sys
+
+def main(argv=sys.argv):  
+    e=2.7182818284590452353602874713527
+    seed=11323
+    rand = TRandom(seed)
+    hist = TH1I("hist", "hist", 100,0.,100.)
+    for i in range(1,10**8+1):
+        n=0
+        start=0.;
+        while(true):
+            tmp=rand.Rndm()
+            n=n+1
+            if(tmp<start): break
+            else:
+
+                start=tmp
+        hist.Fill(n)
+        if( (i ==100) or (i==10000) or (i==1000000) or (i==10**8)):
+            print round(hist.GetMean(), 6), round(hist.GetMean()-e, 6)
+        
+
+
+if __name__ == "__main__":    
+    sys.exit(main())