Super cool bro! Cheat Sheet

A cheat sheet in English by juicyyy

"Come and Say Hi"

5,516 views 1,441 downloads 5 Feb 2016 History

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Cheat Sheet by juicyy

print ()	show information that you want on screen
input()	Gain information from user
str()	A list of number, letter and symbols
len()	The length of the string
float()	Change number to be decimal number
int()	Change number to be number integer

Cheat Sheet by juicyy

==	equal to
!=	no equal to
<	less than
>	more than
<=	less than or equal to
>=	more than or equal to
%	modulo,find the remainder

Cheat Sheet by juicyy (Combine to Binaray)

user_number = ' '

while user_number != ' 0 ' :
user_number = input ("Enter a number to convert to binary")
number = int(user_number)
binary_string = ' '

while (number > 0):
remainder = number%2
binary_string = str(remainder)+ binary_string
number = number//2

print ("Binary string is", binary_string)

Cheat Sheet by juicyy ( List)

fruits = [] #an empty list

for number in range(5):
user_fruit = input("Please enter a fruit")
fruits.append(user_fruit)

print ("Size of fruit list is", len(fruits))

fruits.sort()

for fruit in fruits:
print ("Fruit: ", fruit)

Cheat Sheet by juicyy (Example)

Print (2) – integer
Print (2.5) – floating point
Print (“Hello”) – string
Print (mystr) – variable
Print (mystr,”Hi”,2,1.0) -- commas

mystr = “Hi”
mystr ← name
“Hi” ← value can change

print (int(1.5)) → 1
print (int(“2”)) → 2
print (float(1)) → 1.0 anything to a float

Modulo/Remainder %
print (4%2) → 0
print (30%7) → 2

Cheat Sheet by juicyy

Variable	Hold a value and can be change
String	A list of character such as number, letter and symbols
Integer Number	whole number/counting number
Float Number	The number in decimal
Syntax	Grammar/Structure of language
Modulo	Find the remainder
Boolean	True/False

Cheat Sheet by juicyy

string+number	Combine together
string+number	Crash!
number+number	Addition (Math)

Cheat Sheet by juicyy ( Naming Convention)

Rule for giving name
- letter
- numbers
- underscore _

Valid name
- _myStr
- my3
- Hello_there

Invalid name
- 3my=”hi” -- cannot start with number
- first name=”hi”
- first-name
- first+name

Cheat Sheet by juicyy (Print Name)

name = "tim GIRARD"

print (name.upper()) → TIM GIRARD
print (name.lower()) → tim girard
print (name.capitalize()) → Tim girard
print (name.title()) → Tim Girard

Cheat Sheet by juicyy ( Circle)

"""
Python Intro Assignment #2
name
student number
"""

#Ask the user for a radius of a circle
user_radius = input("What is a radius of a circle?")

#Convert the given radius to a floating point
radius = float(user_radius)

#Make a variable called pi
pi = float(3.1415)

#Calculate the area of the circle using exponents
area = pi(radius*2)

#Display the area of the circle to the user
print ("The area of the circle is", area)

Cheat Sheet by juicyy

string*number	Combine that string
string*string	Crash!
number*number	Multiply (Math)
string**string	Crash!
number**number	Exponent (Math)
string**number	Crash!

Cheat Sheet by juicyy (Reverse)

while True:
word = input("Please enter a word")
index = 0
reverse = ' '

while int(index) < len(word):
reverse = word[index] + (reverse)
index = int(index) + 1

print ("Reverse: ", reverse)

Cheat Sheet by juicyy ( Countdown)

user_number = input("What number do you want to count down? ")
number = int(user_number)
countdown_string = ' '

while number > 0:
      countdown_number = countdown_string + str(number) + " "
      number = number - 1
      #print(number)

print (countdown_string)

Cheat Sheet by juicyy ( Line)

mystr = "Hello"

letter_num = 0

while letter_num < len(mystr):
print (mystr[letter_num])
letter_num = letter_num + 1
H
e
l
l
o

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Super cool bro! Cheat Sheet

Cheat Sheet by juicyy

Cheat Sheet by juicyy

Cheat Sheet by juicyy (Combine to Binaray)

Cheat Sheet by juicyy ( List)

Cheat Sheet by juicyy (Example)

Cheat Sheet by juicyy

Cheat Sheet by juicyy

Cheat Sheet by juicyy ( Naming Conven­tion)

Cheat Sheet by juicyy (Print Name)

Cheat Sheet by juicyy ( Circle)

Cheat Sheet by juicyy

Cheat Sheet by juicyy (Reverse)

Cheat Sheet by juicyy ( Countdown)

Cheat Sheet by juicyy ( Line)

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Comments

Cheat Sheet by juicyy ( Naming Convention)