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authorMarcel Ribeiro Dantas <ribeirodantasdm@gmail.com>2022-08-28 17:36:38 -0300
committerGitHub <noreply@github.com>2022-08-28 17:36:38 -0300
commite6f2e1420c9f76c0282cf50ffe01f2026cb2d92b (patch)
treecebed5476e0fc24d3861c2bc0932e40b1f77cbea
parentebb3cab2494eb392dc67008abb45af5f0711b9e8 (diff)
parent6c2c6b10760ae786621438cfd60dfd326d48be41 (diff)
Merge pull request #4491 from smith558/patch-3
[python/en] Clarify casting and move bool() function section
-rw-r--r--python.html.markdown16
1 files 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
-# 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 (&,|)
+# 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(2) # => True
0 and 2 # => 0
+bool(-5) # => True
+bool(2) # => True
-5 or 0 # => -5
# Equality is ==