Create number_of_digits.py

A python program to find the number of digits in a number.

Author: vicky1999

maths/number_of_digits.py

@@ -0,0 +1,9 @@
+def num_digits(n):
+    digits=0;
+    while(n>0):
+        n=n//10;
+        digits=digits+1
+    return digits
+
+num=12345
+print("Number of digits in " + str(num) + " is : " + str(num_digits(num)))