Python IDE by 101Computing.net

keyboardInputsstat_minus_1

computerOutputsstat_minus_1

# Output text print("Hello World")
# Output text + variable (String) print("Hello " + playerName)
# Output text + variable (Integer/Float) score = 5
print("Your score: " + str(score))
# Pause (e.g. 1 second)import time
time.sleep(1)
# Clear the screenimport os
os.system("clear")

note_stack_addVariables and Arithmetic Operatorsstat_minus_1

# Initialising variables and constants of different data types: score = 0
PI = 3.14
message = "Hello World"
soundOn = True
# Arithmetic Operators: x = a + b # Add
x = a – b # Take away
x = a / b # Divide
x = a * b # Multiply
x = a ** 2 # to the power of
x = a // b # Quotient DIV
x = a % b # Remainder MOD

x += 1 # Increment x by 1
x -= 1 # Decrement x by 1
x *= 2 # Multiply x by 2
x /= 2 # Divide x by 2
# Rounding a number: pi = 3.14159
pi2 = round(pi,2)
print("Pi rounded to two decimal places: " + str(pi2)) # 3.14

arrow_splitSelection: if, elif, else...stat_minus_1

if numberOfLives == 0:
print("Game Over!")
if numberOfLives == 0 or timer<=0:
print("Game Over!")
else:
print("Carry on playing!")
if number < 0:
   print("Negative Number")
elif number == 0:
   print("Zero")
else:
   print("Positive Number")
if number == 7:
   print("Seven")
elif number == 8:
   print("Eight")
elif number == 9:
   print("Nine")
else:
   print("Not seven, eight or nine")

autorenewIteration: for loops & While loopsstat_minus_1

# For loop to count from 1 to 10 for i in range(1,11):
print(i)
# For loop to count in 5 from 0 to 100 for i in range(0,101,5):
print(i)
# For loop to count down from 10 to 1 using a negative step for i in range(10,0,-1):
print(i)
# Iterate through all the values of a list days = ["Mon", "Tue", "Wed", "Thu", "Fri"]
for i in range(0,len(days)):
print(days[i])
# Iterate through all the values of a list - Alternative approach for day in days:
print(day)
# Iterate through all the characters of a string string = "Hello World"
for character in string:
print(character)
# Using a while loop i=0
while i<=100:
print(i)
i = i + 1
# To exit from/break a loop at any time: while True:
   # ...
   if timer==0:
      break

settingsFunctionsstat_minus_1

match_caseString Manipulationstat_minus_1

# String Concatenation firstname = "James"
lastname = "Bond"
greeting = "Hello " + firstname + " " + lastname
print(greeting)
# Casting a number into a String number = 7
print("Your lucky number is " + str(number))
# Changing the case of a string name = "james BOND"
uppercase = name.upper() # JAMES BOND
lowercase = name.lower() # james bond
titlecase = name.title() # James Bond
# Retrieving the number of characters in a string password = "Pa55w0rd"
passwordLength = len(password)
# String Slicing: Extracting characters from a string alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
print("The fifth letter of the alphabet is: " + alphabet[4])
print("The first 5 letters are: " + alphabet[:5])
print("The next 5 letters are: " + alphabet[5:10])
print("The last 5 letters are: " + alphabet[-5:])
# Iterate through all the characters of a string string = "Hello World"
for character in string:
print(character)

live_helpRandom Librarystat_minus_1

# Import the random library import random
# Generate a random number between 1 and 100 randomNumber = random.randint(1,100)
# Pick a value in a list at random names = ["Fred","Ali","Ines"]
randomName = random.choice(names)
# To shuffle a list numbers = [1,2,3,4,5]
random.shuffle(numbers)
# Use ASCII codes to generate a random letter (A to Z) randomLetter = chr(random.randint(65,90))

storageData Structures: Lists, Tuples and Dictionariesstat_minus_1

# Declaring a list and accessing its values days = ["Mon","Tue","Wed","Thu","Fri","Sat"]
days.append("Sun")
print(days[0]) # "Mon"
print(days[1]) # "Tue"
print(days[2]) # "Wed
…
print(days[6]) # "Sun"
# Finding out the number of items in a list (length of a list) print(len(days)) # 7
# Iterate through all the values of a list for i in range(0,len(days)):
print(days[i])
# Iterate through all the values of a list - Alternative method for value in days:
print(value)
# Adding a new value at the end of a list numbers = [1,3,5]
numbers.append(7)
# Removing a value from a list days = ["Mon","Tue","Wed","Thu","Fri"]
numbers.remove("Wed")
# Removing a value from a list at a given position days = ["Mon","Tue","Wed","Thu","Fri"]
numbers.pop(2) # remove the third item from this list: "Wed"
# Declaring a tuple magenta = (255,0,255)
print("R: " + str(magenta[0]))
print("G: " + str(magenta[1]))
print("B: " + str(magenta[2]))
# Using a Dictionary (Hash table) dictionary = {"One":"Un", "Two":"Deux", "Three":"Trois"}
print("One in French is " + dictionary["One"])
# Adding an extra key to a dictionary dictionary["Four"] = "Quatre"

descriptionFile Handlingstat_minus_1

# Reading a text file, line by line file = open("myTextFile.txt","r")
for line in file:
print(line)
file.close()
# Reading and extracting data from a CSV file, line by line file = open("myTextFile.txt","r")
for line in file:
data = line.split(",")
print(data[0] + " - " + data[1] + " - " + data[2])
file.close()
# Overwriting the content of a text file file = open("myTextFile.txt","w")
file.write("Hello World\n")
file.close()
# Appending data at the end of a text file file = open("myTextFile.txt","a")
file.write("Hello World\n")
file.close()

select_check_boxInput Validationstat_minus_1

# Input Validation: Presence Check name = input("Enter your name:")
if name=="":
print("Empty name!")
else:
print("Thank you!")
# Input Validation: Type Check – Integer? number = input("Type a number:")
if number.isdigit():
print("This is a number")
else:
print("This is not a whole number")
# Input Validation: Range Check number = int(input("Type a number between 1 and 5:"))
if number>=1 and number<=5:
print("Valid number")
else:
print("Invalid number")
# Input Validation: Lookup Check drive = input("Can you drive?").lower()
if drive in ["yes","no"]:
print("Valid answer")
else:
print("Invalid answer")
# Input Validation: Character Check email = input("Type your e-mail address:")
if "@" in email:
print("Valid e-mail address")
else:
print("Invalid e-mail address")
# Input Validation: Length Check password = input("Type a password:")
if len(password)>=8:
print("Valid password")
else:
print("Invalid password")
# Try Again! Using a While Loop: name = input("Enter your name:")
while name=="":
print("You must enter your name! Please try again!")
name = input("Enter your name:")
print("Welcome " + name)

manufacturingOOPstat_minus_1