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Python Cheatsheet Cheat Sheet by

Vocabulary

Functions

print()
Show inform­­ation that you want on the screen
int()
change number to be number integer
float()
change number to be decimal number
int()
gain inform­­ation from user
str()
a list of number, letter and symbols

Code

name = "007wins"
print (name.upper())
print (name.lower())
print (name.capitalize())
print (name.title())

function list

#write the function that returns the largest number in a list
#name: maxlist
#argument:list
#returns the largest value in the list


def maxlist(list):
    maxvalue = list[0]
    for item in list:
        if item > maxvalue:
            maxvalue = item

    return maxvalue


mylist = [1,2,3,4,55,66,777,0,1]
print(maxlist(mylist))
 

Addition

string + string
combine together
string + number
crash
number + number
math - addition

Radius finder Code

while True:
    
    user_radius = input("What is the radius?")
    radius = float(user_radius)
    pi = 3.1415
    area= pi radius * 2
    print ("The area of the circle is", area

Code

mystring = "hello"
print (mystring)
firstname = input( "what is your first name?")
lastname = input( "what is your last name?")
fullname = firstname + " " + lastname
print (fullname)

letternumber = int(input( " what is letter number? " ))
if letternumber >len(fullname):
    print ( " invalid letter number, try again! " )
else:

    letter = ( fullname[letternumber] )
    print (letter)

    numberletter = int(input( "how many times to print letter " ))

    if numberletter >100:
       print ( " too many letters to print! " )
    else:
        print (letter * numberletter )

Function Python

#write a function that returns the largest of two values
#name : max2
#agruments: num1, num2
# return: largest value

# write a functrion that returns the largest of three values
# name : max3
#agrument: num1, num2, num3
# return: largest value

def max2(num1,num2):
    if num1 >= num2:
        max_value = (num1)
    if num2 > num1:
        max_value = (num2)
    return max_value

num1 = input('Enter the the first value')
num2 = input('Enter the the second value')
print (max2(num1,num2))





def max3(num1,num2,num3):
    if num1 >= num2 and num1 >= num3:
        max_value = (num1)
    if num2 > num1 and num2 >= num3:
        max_value = (num2)
    if num3 >= num2 and num3 >= num1:
        max_value = (num3)
        
    return max_value

num3 = input('Enter the the third value')
print (max3(num1,num2,num3))
 

Multip­­li­c­ation and Exponents

string * number
combine that string
string* string
crash
number * number
math - multiply
string ** string
crash
number ** number
math - exponent
string ** number
crash

Math

==
equal to
!=
no equal to
<
less than
>
more than
<=
less than or equal to
>=
more than or equal to

Vocabulary

variable
hold a value and can be change
string
a list of character such as number, letter and symbols
integer number
whole number or counting number
float number
the number in decimal
syntax
grammar or structure of lauguage
value
the number or string can be store in valuable
loop
mudole
the text for storing for python code
blank
input
gain inform­ation form User
comment
print
To show inform­ation on code
code
syntax error
make impossible to the parse

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