Introduction to Python

Author: KrishnaVPabbisetty

2DListsAndNestedLoops.py

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+number_grid = [
+    [1, 2, 3], 
+    [4, 5, 6],
+    [7, 8, 9],
+    [0]
+]
+
+print(number_grid[0][0])
+print(number_grid[1][2])
+
+for row in number_grid:
+    for column in row:
+        print(column)
+    # print(row)

HelloWorld.py

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+print("Hello World!")

advancedCalculator.py

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+num1 = float(input("Enter the first number: "))
+operation = input("Enter the operation: ")
+num2 = float(input("Enter the third number: "))
+
+def calculator(num1, operation, num2):
+    if operation == "+":
+        return num1 + num2
+    elif operation == "-":
+        return num1 - num2
+    elif operation == "*":
+        return num1 * num2
+    elif operation == "/":
+        return num1 / num2
+    else:
+        return "Invalid operation"
+    
+print(calculator(num1, operation, num2))

basicCalc.py

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+num1 = input("Enter first number: ")
+num2 = input("Enter second number: ")
+result = float(num1) + float(num2)
+print(result)
+

dictionaries.py

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+monthConversions = {
+    "Jan": "January",
+    "Feb": "February",
+    "Mar": "March",
+    "Apr": "April",
+    "May": "May",
+    "Jun": "June",
+    "Jul": "July",
+    "Aug": "August",
+    "Sep": "September",
+    "Oct": "October",
+    "Nov": "November",
+    "Dec": "December"
+}
+
+print(monthConversions["Nov"])
+print(monthConversions.get("Dec"))
+print(monthConversions.get("Var")) # none
+print(monthConversions.get("Var", "Not found")) # Not found

drawAShape.py

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+print("    /|")
+print("   / |")
+print("  /  |")
+print(" /   |")
+print("/____|")

exponentFunctions.py

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+def raise_to_power(base, exponent):
+    result = 1
+    for i in range(exponent):
+        result *= base
+    return result
+
+print(raise_to_power(2, 3))

forLoop.py

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+for i in "Varshith Pabbisetty":
+    print(str(i).upper())
+
+friends = ["Ruthvik", "Shivam", "Ajay"]
+for i in friends:
+    print(i)
+
+print("")
+
+for i in range(len(friends)):
+    print(friends[i])
+
+print("")
+
+for index in range(3, 10):
+    print(index)
+
+print("")
+
+for index in range(10):
+    print(index)
+
+print("")
+
+for index in range(3, 10, 4):
+    print(index)

functions.py

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+def say_hi():
+    print("Hello User")
+
+def say_his(name, age):
+    print("Hello " + name + ", you are " + str(age) + " years old")
+
+
+say_hi()
+
+say_his("Vaishnavi", 22)
+say_his("Likitha", 21)

guessGame.py

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+secret_word = "zebra"
+guess = ""
+guess_count = 0
+guess_limit = 3
+out_of_guesses = False
+
+while guess != secret_word and not(out_of_guesses):
+    if guess_count < guess_limit:
+        guess = str(input("Enter Guess:")).lower()
+        guess_count += 1
+    else:
+        out_of_guesses = True
+
+if out_of_guesses:
+    print("You ran out of guesses!")
+else:
+    print("You got it!")

ifStatements.py

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+def main(a, b, c):
+    if a >= b and a >= c:
+        return "a is greater than b"
+    elif b >= a and not(b <= c):
+        return "b is greater than a"
+    else:
+        return "c is greater than a"
+
+print(main(1, 2, 1))

inputFromUsers.py

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+name = input("Enter your name: ")
+age = input("Enter your age: ")
+
+print("Hello " + name + "!" + " You are " + age + " years old.")

listFunctions.py

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+lucky_numbers = [17, 34, 81, 7, 56, 6]
+friends = ["Ruthvik", "Saikiran", "Pruthvi", "Varshith", "Harsha", "Sohan"]
+
+# friends.extend(lucky_numbers)
+friends.append("Shankar")
+friends.insert(1, "Varshith")
+friends.remove("Shankar")
+friends.pop()
+print(friends.index("Pruthvi"))
+print(friends.count("Varshith"))
+friends.sort()
+lucky_numbers.sort()
+print(lucky_numbers)
+lucky_numbers.reverse()
+print(friends)
+friends2 = friends.copy()
+print(lucky_numbers)

lists.py

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+friends = ["Ruthvik", "Saikiran", "Pruthvi", "Harsha", "Sohan"]
+print(friends)
+print(friends[0])
+print(friends[1:])
+print(friends[-1])
+print(friends[1:3])

madLibsGame.py

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+color = input("Enter a color: ")
+plural_noun = input("Enter a plural noun: ")
+celebrity = input("Enter a celebrity: ")
+
+print("Rosesquares are " + color)
+print(plural_noun + " are green")
+print("I love " + celebrity)

number.py

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+from math import *
+
+
+print(2)
+print(2.98999)
+print(2.98999 + 0.00001)
+print(2.98999 - 0.00001)
+print(2.98999 * 2)
+print(2.98999 / 2)
+print(3 * 4 + 5) 
+print(3 * (4 + 5))
+print(3 // 4) # division of a number
+print(3 % 4) # remainder of a division(modulus)
+
+my_num = 5
+print(str(my_num) + " is my number") # string conversion
+print(pow(3, 2)) # power of a number
+print(max(4,6)) # maximum of two numbers
+print(min(4,6)) # minimum of two numbers
+print(round(3.6)) # round
+print(str(floor(3.6)) + " floor") # floor
+print(str(ceil(3.2)) + " ceil") # ceil
+print(str(sqrt(9)) + " sqrt") # square root
+print(str(exp(1)) + " exp") # exponential
+print(str(log(10)) + " log") # logarithm
+print(str(log10(10)) + " log base 10") # logarithm base 10
+print(str(log2(10)) + " log base 2") # logarithm base 2
+my_num = -6
+print(abs(my_num)) # absolute value of a number

returnStatement.py

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+def add(a, b):
+    return a + b
+
+def cube(g) :
+    return g * g * g
+
+res = add(1, 7.6)
+print(res) 
+print(cube(2)) 

strings.py

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+print("Varshith Pabbisetty")
+print("Varshith\"Pabbisetty")
+print("Varshith\Pabbisetty")
+
+phrase = "Varshith Pabbisetty"
+print(phrase)
+print(phrase + " is cool")
+print(phrase.lower())
+print(phrase.upper())
+print(phrase.isupper())
+print(phrase.upper().isupper())
+print(phrase.capitalize())
+print(phrase.title())
+print(len(phrase))
+print(phrase[0])
+print(phrase.index("a"))
+print(phrase.index("Pabbisetty"))
+print(phrase.replace("Varshith", "Krishna Varshith"))

translator.py

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+def translate(phrase):
+    translation = ""
+    for letter in phrase:
+        if letter.lower() in "aeiou":
+            if letter.isupper():
+                translation = translation + "G"
+            else:
+                translation = translation + "g"
+        else:
+            translation = translation + letter
+    return translation
+
+print(translate(input("Enter a phrase: ")))

tryExcept.py

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+coordinates = (4, 5)
+print(coordinates[0])
+
+coordinates = [(1, 2), (4, 5), (5, 6)]
+print(coordinates[0])
+print(coordinates[0][1])

tuples.py

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+character_name = "Varshith"
+character_age = "23"
+
+print("Hi, I am " + character_name)  
+print("I am " + character_age + " years old")

variables&DataTypes.py

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+num1 = 3
+
+while num1 <= 10:
+    print(num1)
+    num1 += 1
+