from the top of my head:<p><pre><code> - def bad_default(x = [])
- bool('False')
- 1--1 #typo
- x = 42; y = 42L ; x==y,hex(x)==hex(y)
- type(5/2) # <class 'float'> or <type 'int'> (python2 versus python3)</code></pre>