lr 10

calc-history.log.txt

-+: (1, 2, 3, 4, 5, 6, 7, 8, 9) = 45.0 
-+: (1.000001, 2.000002, 3.00005) = 6.000053 
-+: (1, 2, 3, 4, 5, 6, 7, 8, 9) = 45.0 
--: (1, 2, 3, 4, 5, 6, 7, 8, 9) = -45.0 
-/: (1, 2, 3, 4) = 0.04167 
-*: (1.0001, 2.2345) = 2.23472 
-+: (1, 2, 3, 4, 5, 6, 7, 8, 9) = 45.0 
+2020-11-26 13:59:15.377841 : +: (1, 2, 3, 4, 5, 6, 7, 8, 9) = 45.0 
+2020-11-26 13:59:15.421833 : +: (1.000001, 2.000002, 3.00005) = 6.000053 
+2020-11-26 13:59:15.425833 : +: (1, 2, 3, 4, 5, 6, 7, 8, 9) = 45.0 
+2020-11-26 13:59:15.429832 : -: (1, 2, 3, 4, 5, 6, 7, 8, 9) = -45.0 
+2020-11-26 13:59:15.433831 : /: (1, 2, 3, 4) = 0.04167 
+2020-11-26 13:59:15.433831 : *: (1.0001, 2.2345) = 2.23472 
+2020-11-26 13:59:15.433831 : +: (1, 2, 3, 4, 5, 6, 7, 8, 9) = 45.0 

calcprint.py

+from datetime import datetime
 def print_results(*args, action=None, result=None):
     """
     Вывод в табличном виде результатов вычислений
@@ -33,6 +34,5 @@ def print_results(*args, action=None, result=None):
 
 def write_log(*args, action=None, result=None, file='calc-history.log.txt'):
     f = open(file, mode='a', errors='ignore')
-
-    f.write(f"{action}: {args} = {result} \n")
+    f.write(f"{datetime.now()}: {action}: {args} = {result} \n")
     f.close()
\ No newline at end of file