Last login: Thu Sep  3 06:29:18 on ttys002

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(base) MAC:Thu Sep 03:10:39:20202021> python
Python 3.7.4 (default, Aug 13 2019, 15:17:50) 
[Clang 4.0.1 (tags/RELEASE_401/final)] :: Anaconda, Inc. on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> s = 'single quoted string'
>>> s
'single quoted string'
>>> t = "double quoted string"
>>> u = "unbalanced string'
  File "<stdin>", line 1
    u = "unbalanced string'
                          ^
SyntaxError: EOL while scanning string literal
>>> s
'single quoted string'
>>> s[1]
'i'
>>> s
'single quoted string'
>>> s[2]
'n'
>>> s[0]
's'
>>> s[:3'
  File "<stdin>", line 1
    s[:3'
        ^
SyntaxError: EOL while scanning string literal
>>> s[:3]
'sin'
>>> s
'single quoted string'
>>> s = "abcdef"
>>> s[:3]
'abc'
>>> s[3:]
'def'
>>> s[1:3]
'bc'
>>> s[::2]
'ace'
>>> s.capitalize()
'Abcdef'
>>> s
'abcdef'
>>> ##python strings are immutable.
... 
>>> t = s.capitalize()
>>> t
'Abcdef'
>>> s = s.capitalize()
>>> s
'Abcdef'
>>> s = "abcdef"
>>> s.upper()
'ABCDEF'
>>> s = s.upper()
>>> s
'ABCDEF'
>>> s.lower()
'abcdef'
>>> s.swapcase()
'abcdef'
>>> s
'ABCDEF'
>>> s.swapcase()
'abcdef'
>>> s.endswith("f
  File "<stdin>", line 1
    s.endswith("f
                ^
SyntaxError: EOL while scanning string literal
>>> s
'ABCDEF'
>>> s.endswith("F")
True
>>> s.endswith("EF")
True
>>> s.endswith("DEF")
True
>>> s.beginswith("ABC")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: 'str' object has no attribute 'beginswith'
>>> s.startswith("ABC")
True
>>> s.find("q")
-1
>>> s
'ABCDEF'
>>> s.find("B")
1
>>> test = "abracadabra"
>>> test.find("b")
1
>>> test.find("b", 2)
8
>>> test
'abracadabra'
>>> test.rfind("b")
8
>>> test.isalnum()
True
>>> screwy = "#@%$asdfs"
>>> screwy.isalnum()
False
>>> s = "233434"
>>> s.isdigit()
True
>>> q = int(s)
>>> q
233434
>>> s = "space cadet"
>>> s.isidentifier()
False
>>> s.isprintable()
True
>>> s = "     cows       +
  File "<stdin>", line 1
    s = "     cows       +
                         ^
SyntaxError: EOL while scanning string literal
>>> s = "     cows       "
>>> s.strip()
'cows'
>>> s.lstrip()
'cows       '
>>> s.rstrip()
'     cows'
>>> s
'     cows       '
>>> s = "This is a test of your patience"
  [Restored Sep 3, 2020 at 11:08:12 AM]
Last login: Thu Sep  3 11:08:11 on ttys002

The default interactive shell is now zsh.
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(base) MAC:Thu Sep 03:11:08:20202021>