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Python Note Sheet by

Function

input()
Ask for inform­ation from user.
print()
Show inform­ation that we want on the scree.
int()
Change number to be number integer.
float()
Change number to be decimal.
str()
String. A list of number, letter, and symbol.

Math

==
equal to
!=
not equal to
<
less than
>
more than
<=
less than or equal to
>=
more than or equal to

IF..EL­SE..ELIF

IF
ELSE
ELIF

mylist

 
mylist = range(5)
mylist = [0, 1, 2, 3, 4]
 

Addition

Str + Str
Combine together. Like "­1" + "­2" = 12
Str + number
Crash
Number + Number
Sum, addition

Subtra­ction

str - number
crash
str - str
crash
number - number
Subtract

Division

str / str
crash
str / number
crash
number / number
division

Multip­lic­ation

str * number
combine that string. "­6" * 2 = '66'
str * str
crash
number * number
multiply
str ** str
crash
number ** number
exponent, power
str ** number
crash
 

Vocab

Variable
Something that can change
String
a list of character like number, letter and symbols.
Integer Number
Whole number or Counting number
Float Number
The number into decimal number
Syntax
Structure of language
Loop
while
Input
Gain inform­ation from user
Print
Show inform­ation that we want on the screen.

Random

random.ch­oice()
random word in the list. need to put 'import random' at the top first.

True and False

 
y = true
print (not y or 2<3)
not true or 2<3
False or True
True

True or anything == True
False or anything == False

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