diff --git a/GCD.py b/GCD.py
new file mode 100644
index 00000000..f7893e12
--- /dev/null
+++ b/GCD.py
@@ -0,0 +1,10 @@
+def gcd(p,q):
+    gcd =1
+    if p%q==0:
+        return q
+    for z in range(int(q/2), 0,-1):
+        if (p%z==0) and (q%z==0):
+            gcd = z
+            break
+
+print(gcd(4,3))        
\ No newline at end of file
diff --git a/LCM.py b/LCM.py
new file mode 100644
index 00000000..5ab88d1a
--- /dev/null
+++ b/LCM.py
@@ -0,0 +1,13 @@
+def lcm(x,y):
+    if x>y:
+        z=x
+    else:
+        z=y
+    while True:
+        if(z%x==0)and(z%y==0):
+            lcm=z
+            break
+        z+=1
+    return lcm
+
+print(lcm(4,3))
\ No newline at end of file
diff --git a/Qr_code_generator.py b/Qr_code_generator.py
new file mode 100644
index 00000000..51602ad4
--- /dev/null
+++ b/Qr_code_generator.py
@@ -0,0 +1,27 @@
+# install all the libaries needed 
+# create a function that collects a text and converts it to a Qr code
+# save the qrcode as a image 
+# run the function
+
+import qrcode
+
+def generate_qrcode(text):
+
+  qr = qrcode.QRCode( 
+    version = 1,
+    error_correction = qrcode.constants.ERROR_CORRECT_L,
+    box_size = 10,
+    border = 4,
+   )
+ 
+  qr.add_data(text)
+  qr.make(fit=True)
+  img = qr.make_image(fill_color="Black", back_color="White")
+  img.save("giri01.png")
+
+
+
+generate_qrcode("Hey guys im Sharan, this is my github account : https://github.com/sharan37600 ")
+
+  
+  
\ No newline at end of file