Correct inch_to_cm function and print statement

Fix function name and syntax errors in inches_to_cm.py

Author: rihan-png

inches_to_cm.py

@@ -0,0 +1,4 @@
+def inch_to_cm(inch)
+    return inch * 2.54 
+n = int(input('enter value in inches: "))
+print(f"the corresponding vlaue in cms is (inches_to_cms(n)}")