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# IFNpython Cheat Sheet by infinitepos

### Vocabulary

 Variable Holds a value and can be changed String A list of characters such as numbers, letters, symbols Integer number Whole number­/Co­unting number (No decimal) Float number The number with decimal Modulo Find the remainder Boolean True/False Syntax Gramma­r/S­tru­cture of language Function call A call to use function Argume­nt/­Par­ameter Something you give to function Function Something that you can reuse the code

### function 1

 ```def aisha(text):     print("" + str(text) + "")     return aisha(1) aisha("hello") aisha(1+2) aisha("text") def chung(text,decoration):     print(decoration + str(text) + decoration)     return chung(123123213212, "++++") chung("hello", "<<>>")```

### function area of circle

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

### Grade A Exam

 ```theList = ["A","B","C","D"] for item in theList:     print(item) whileList = ["E","F","G","H"] s = 0 while s < len(whileList):     print(whileList[s])     s += 1 while True:     user_input = input ("Enter the word: ")     if user_input == "exit":         break     else:         print(len(user_input)) def theFunction():     while True:         user_input = input ("Enter the word: ")         if user_input == "stop":             break     return theFunction()          def computeThis(a1,b2):     return (a1*b2) print (computeThis(4,8)) def finalFunction(string):     print("*"+string+"*")     return finalFunction("Aisha")```

### Code

 print (name.u­pp­er()) Make every letter capital case print (name.l­ow­er()) Make every letter lower case print (name.c­ap­ita­lize()) Make the first letter capital case print (name.t­it­le()) Make the first letter and the letter after the space capital case

### RANDOM

 ```import random # Create a list of integers intlist =[1,2,3,4] random_int = random.choice(intlist) print(intlist,random_int) # Create a list of floating point numbers fplist = [1.0,1.2,1.4,0.5] random_fp = random.choice(fplist) print(fplist,random_fp) # Create a list of strings srtlist = ["Aisha","Eve","KamitoP","Sanya"] random_srt = random.choice(srtlist) print(srtlist,random_srt) # Create a list of integer, floating point number and string mylist = [1,2.5,"Aisha"] random_item = random.choice(mylist) print(mylist,random_item) # Create a list of following variables myvar1 = 1 myvar2 = 2 myvar3 = 3 varlist = [myvar1,myvar2,myvar3] random_var = random.choice(varlist) print(varlist,random_var)```

### Max Value Function

 ```def max2(num1,num2):     MaX = num2     if num1 > num2:         MaX = num1     return MaX def max3(num1,num2,num3):     Max = num1     if num2 > num1:         if num2 > num3:             Max = num2     if num3 > num1:         if num3 > num1:             Max = num3     return Max first = input('Enter the first number: ') second = input('Enter the second number: ') third = input('Enter the thrid number: ') print("Max value of 2 value is",max2(first,second)) print("Max value of 2 value is",max3(first,second,third))```

### Reverse Word

 ```while True:     word = input("Please enter the word:" )     index = 0     reverse = ''     while int(index)

### 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)```

### Palindrome 9/10

 ```def isPalindrome(word):     reverse = ""     for item in word:         reverse = item + reverse     if reverse == word:         return True     else:         return False      while True:     user_word = input('What is the word: ')     length = len(user_word)     if user_word == 'quit':         break     else:         print("Length of the word is: ",(length))                  function_return = isPalindrome(user_word)         if function_return == True:             print(user_word, "is a palindrome")         else:             print(user_word, "is not a palidrome")```

### Area of Triangle Function

 ```def areaOfTriangle(base,height):     return (1/2baseheight) user_base = float(input('Enter the base of triangle: ')) user_height = float(input('Enter the height of triangle: ')) print ('The area of Triangle is: ',areaOfTriangle(user_base,user_height)) def volumeOfPrism(area,dept):     return (area*dept) user_dept = float(input('Enter the dept of the Prism: ')) print ('The volume of Prism is: ',volumeOfPrism(areaOfTriangle(user_base,user_height),(user_dept)))```

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