shell/bin/calc: convert to python3

diff --git a/shell/bin/calc b/shell/bin/calc
index ea3cbd38254bbb4f077b6ac0a238f0a9a7ead69a..798050922eae95a8325d94b6df6bc7a9fa2bd3a8 100755 (executable)
--- a/shell/bin/calc
+++ b/shell/bin/calc
@@ -18,7 +18,7 @@
 
 set -eu
 
-exec python -i -c '
+exec python3 -i -c '
 
 # Math functions.
 from math import *
@@ -33,7 +33,7 @@ def binom(n,k):
 
 # Convert number to scientific notation (e.g. 5e6).
 def s(x):
-    print "%e" % x
+    print("%e" % x)
 
 
 # Time/Date functions.
@@ -41,9 +41,9 @@ import time
 
 # Convert time in seconds since epoch to readable string.
 def stime(seconds):
-    print time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(seconds))
+    print(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(seconds)))
 
 
-print "Welcome to the ultimate calculator."'
+print("Welcome to the ultimate calculator.")'
 
 # vim: ft=python