2.1 - Conditional statements
You can use conditional statements to get a boolean output (either true
or false
).
Python supports the usual mathematical conditions:
Description | Python | Mathematical symbol |
---|---|---|
Equal to | = | = |
Not equal to | != | ≠ |
Less than | < | < |
Less than or equal to | >= | ≤ |
Greater than | > | > |
Greater than or equal to | >= | ≥ |
In the REPL, try different things and see what happens.
>>> "a" == "a"
True
>>> 4 == 6
False
>>> 4 != 6
True
>>> 8 < 9
True
>>> 6 > 1
True
>>> 6 > 7
False
>>> 6 <= 6
True
>>> 6 <= 7
True
>>> 6 <= 5
False
>>> 8 > 4
True
>>> 8 >= 1
True
>>> 8 >= 9
False
>>> 8 > "text" # You cannot do number operations on a string!
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'int' and 'str'
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