From 6c2c6b10760ae786621438cfd60dfd326d48be41 Mon Sep 17 00:00:00 2001
From: "Stanislav (Stanley) Modrak"
 <44023416+smith558@users.noreply.github.com>
Date: Sun, 28 Aug 2022 18:45:40 +0100
Subject: [PATCH] Clarify casting and move bool() method section

---
 python.html.markdown | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/python.html.markdown b/python.html.markdown
index e8c7110a..0b115c4e 100644
--- a/python.html.markdown
+++ b/python.html.markdown
@@ -85,12 +85,24 @@ False - 5   # => -5
 2 == True   # => False
 -5 != False # => True
 
+# None, 0, and empty strings/lists/dicts/tuples/sets all evaluate to False.
+# All other values are True
+bool(0)     # => False
+bool("")    # => False
+bool([])    # => False
+bool({})    # => False
+bool(())    # => False
+bool(set()) # => False
+bool(4)     # => True
+bool(-6)    # => True
+
 # Using boolean logical operators on ints casts them to booleans for evaluation, but their non-cast value is returned
 # Don't mix up with bool(ints) and bitwise and/or (&,|)
 bool(0)     # => False
-bool(4)     # => True
-bool(-6)    # => True
+bool(2)     # => True
 0 and 2     # => 0
+bool(-5)    # => True
+bool(2)     # => True
 -5 or 0     # => -5
 
 # Equality is ==