Cheatography
https://cheatography.com
Something cheap
print() |
Show the information you want on the screen |
input() |
Change number to be number integer |
str() |
A list of number letter and symbol |
float() |
change number to be decimal number |
len() |
the length of the string |
LOL there no such thing as note
Math
== equal to != no equal to < less than > more than <= less than or equal to >= more than or equal to % Modulo, Find the remainder |
Area of 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) |
Countdown machine
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) |
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 |
|
|
apichat
Variable |
Hold a value and can be change |
string |
a list of character such as number letter and symbol |
Syntax |
Grammar and structure of languge |
Integer number |
counting number |
float number |
the number in decimal |
modulo |
find the remainder |
Addition and multiplication and Exponet
string + string
Combine together
string + number
CRASH!
number + number
Addition (Math)
string * number
Combine that string
string* string
CRASH!
number * number
Multiply (Math)
string ** string
CRASH!
number ** number
Exponent (Math)
string ** number
CRASH!
Sort word per 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 |
sort of fruit 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) |
sort of fruit 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) |
|
|
teaw cheat Example
print(2) |
integer |
Print(2.5) |
floating point |
Print (Hello) |
string |
print(mystr) |
variable |
Namming Covention
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 |
Reverse word
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) |
convert to binary
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) |
Area of 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) |
Area of 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) |
|
Created By
Metadata
Comments
No comments yet. Add yours below!
Add a Comment