Python Cheat Sheet

mylist = [1,2,3,4,5]
mulist2 = ['hi', 'hello', 'anything']
mylist3 = [1, 'hello', 2.5

print (mylist)
print (mylist2)
print (mylist3)

number = range(100)
for nm in number:
    print (num)

firstname = input("what is your first name? ")
lastname = input("what is your lastname? ")

fullname = firstname + " " + lastname

print("Your fullname is ") 
print (fullname)

letternumber = input("what is letter number? ")

mynumber = int(letternumber)-1

if (mynumber) > len(fullname):
    print ("invalid letter number, try again")
else:
    print (fullname[mynumber])

    repeat = input("how many times you want to print the letter? ")

    myrepeat = int(repeat)

    if (myrepeat) > 99:
        print ("too many letter! ")
    else:
        print(fullname[mynumber]*(myrepeat))
    

import random
chance = 3
score = 0

mylist = ['Hack', 'ToeyD.', 'Patter','Tim','Lily']
random_item = random.choice(mylist)
while chance > 0:

    print (mylist)
    
    print ("Chances Remaining =",chance)
    guess = input("Guess a word from the above :")
    
    if guess == random_item:
        score = score + 100
        print ("That's correct!","The score is :",score)
        random_item = random.choice(mylist)
    else:
        print ("Sorry, wrong choice!")
        chance = chance - 1
    if guess in mylist:
        print ("")
    else:
        print ("Sorry,that is not even in the list!")
    if chance == 0:
        print ("Game Over! The word was",random_item)
        print ("Final score: ",score)

mystring = ""
count = 0
while count < 5:
    mystring = mystring + str(count)
    print (mystring)
    count = count + 1


OUTCOMEIS
0
01
012
0123
01234

def areaofEllipse(radius1, radius2):
    pi = 3.142
    area = pi*radius1*radius2
    return area

ra1 = int(input("put in the radius 1"))
ra2 = int(input("put in the radius 2"))
print (areaofEllipse(ra1, ra2))


OUTPUT
put in the radius 14
put in the radius 25
62.839999999999996

def printDefinition(word):
    if word == "variable":
        print ("""
        A variable is the the thing that can be changed.
        """)
    elif word == "parameter":
        print ("""
        A parameter is the limiting factor
        """)
    elif word == "argument":
        print ("""
        An argument is the identifier that you give to function
        """)
    elif word == "string":
        print ("""
        A string is something that can be repeated by the number.
        """)
    elif word == "function call":
        print ("""
        A function call is the word you use to reuse the function.
        """)
    else:
        print ("unknown word")

while True:
    user_input = input("Please type the word :")
    printDefinition(user_input)


OUTPUT 
Please type the word :variable

        A variable is the the thing that can be changed.
        

reverse = ""
letter_num = 0

word = input('type in a word: ')
"""
while letter_num < len(word):
    reverse = word[letter_num] + reverse
    letter_num = letter_num + 1
"""
for letter in word:
    reverse = letter + reverse

print ('reverse: ',reverse)

hello = "hello there!"

out = ""

for letter in hello:
     out = letter+out


print(out)

user_number = input("Enter number to convert to binary : ")

number = int(user_number)

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

print ("Binary string is",binary_string)

user_number = input("Please enter a number: ")

number = int(user_number)

countdown_string = ''

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

def aofc(r):
    if r <= 0:
        return "Error: radius <=0"
    pi = 3.1415
    area = pi * r ** 2
    return area
user_radius = input("enter the radius: ")
radius = float(user_radius)
print("The area of the circle is", aofc(radius))

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


def max2 (num1, num2):
    maxvalue = num1
    
    if num2 > num1:
        maxvalue = num2

    return maxvalue

print(max2(10,9))
print(max2(1,9))


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


def max3 (num1, num2, num3):
    maxvalue = num1

    if num2 > maxvalue:
        maxvalue = num2
        
    if num3 > maxvalue:
        maxvalue = num3
        
    return maxvalue

print(max3(3,5,9))

if 3 < 2: #if statement must compare two Booleans
 print ('3 is less than 2')
elif 4 < 2: #can have 0 or more elif statements
 print ('4 is less than 2')
elif 5 < 2:
 print ('5 is less than 2')
else: #can have 0 or 1 else statement at the end
 print ('none of the above are True')

shoplist = ['son', 'goo', 'maaa', 'laaaa']
print(shoplist[2])
"""
item_number = 0
while item_number < len(shoplist):
    print ("list item:", shoplist[item_number])
    item_number = item_number + 1
"""
out = 0 
for item in shoplist:
    out = out + 1
        #print ('list item:',item)
print (out)

user_number = input("please enter a number: ")
number = int(user_number)
hex_string = ' '
while (number > 0):
    remaider = number % 16
    if remaider == 10:
        remaider = 'A'
    elif remaider == 11:
            remaider = 'B'
    elif remaider == 12:
            remaider = 'C'
    elif remaider == 13:
            remaider = 'D'
    elif remaider == 14:
            remaider = 'E'
    elif remaider == 15:
            remaider = 'F'
                            
    hex_string =   str(remaider) + str(hex_string)
    number = number // 16
print ("Hexadecimal string is 0x", hex_string)

import random

intlist = [1, 2, 3, 4, 5]
random_int = random.choice(intlist)
print (intlist,random_int)

fplist = [float(1), float(2), float(3), float(4), float(5)]
random_fp = random.choice(fplist)
print (fplist,random_fp)

strlist = [str('son'), str('hack'), str('pom'), str('phon')]
random_str = random.choice(strlist)
print (strlist,random_str)

mylist = ['son', 'jan', 'feb', 'mar']
random_my = random.choice(mylist)
print (mylist,random_my)

myvar1 = 1
myvar2 = 2
myvar3 = 3
varlist = (myvar1, myvar2, myvar3) 
random_var =random.choice(varlist)
print (varlist,random_var)

'''
Surawut Sartpant
Son 1002
Python Assignment-Palindrome
'''
def isPalindrome(word):
    numlen = 0
    while numlen < long // 2 + 1:
        if word[numlen] != word[-numlen-1]:
            return False
        elif word[numlen] == 1:
            return True
        numlen += 1
    else:
        return True
        
                
while True:
    word = input(" Insert your word:  ")
    long = len(word)

    if word == "quit":
        break
    else:
        print (long)
 
    numlen = 0

    if isPalindrome(word) == True:
        print (word,"it is a palindrome")
    else:
        print (word,"it is not a palindrom")

"""
output
 Insert your word:  klk
3
klk it is a palindrome
 Insert your word:  quit
 """