new file: task 1.py/task 4.py

task 1.py/task 4.py

@@ -0,0 +1,25 @@
+def task(n,):
+    s=0
+    if n<10:
+        s=1
+    elif n<100:
+            s=2  
+    elif n<1000:
+        s=3
+    elif n<10000:
+        s=4
+    else:
+        s=5
+   
+    return(s)
+
+
+
+print(task(int(input()),))
+
+
+
+
+
+
+