Basic and intermediate exercises done

Author: narrative26

narrative26_solutions/test_playground/basics/boss.py

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+choice = 'y'
+
+while choice =='y' or choice == 'Y': # make 'Y' valid too
+    try:
+        # typecast the below 2 to a list
+        numbers = list(input("Enter the input numbers separated by spaces: ").split())
+        operators = list(input("Enter operators between them: ").split())
+
+        # check length matching
+
+        if len(numbers) != len(operators) + 1: # this seems odd... u might say it's ... off by one
+            print("Number of opwrators should be one less than the number of numbers") # replace wiht better message :)
+            continue
+        
+        flag = True # huh this seems inverted
+        for i in range(len(operators)): # indexing range fix
+            a, b, op = float(numbers[i]), float(numbers[i+1]), operators[i]
+            # correct the ops
+            match op:
+                case '+':
+                    c = a + b
+                case '-':
+                    c = a - b
+                case '*':
+                    c = a * b
+                case '/':
+                    c = a / b
+                case '%':
+                    c = a % b
+                case '//':
+                    c = a // b
+                case '**':
+                    c = a ** b
+                case _:
+                    flag = False
+            if not flag:
+                print("Invalid operator!")
+                break
+
+            numbers[i+1] = str(c)
+        if not flag:
+            continue
+        print(f"Output: {numbers[-1]}")
+    except Exception as e:
+        print(f"Exception: {e}") # print exception
+    finally:
+        choice = input("Do you want to continue? [y/n] : ") # always ask before ending

narrative26_solutions/test_playground/basics/conditionals.py

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+# correct if else ladder to check if person is underage, normal citizen or senior citizen
+# [0,18) -> underage, [18,60) normal age, [60,inf) senior citizen
+# bonus, can you reduce ladder to a one liner?
+age = int(input("Enter age"))  # ahh yes age is str , definitely
+
+if age < 18:
+    print("Underage")
+elif age < 60:
+    print("Normal citizen")
+else:
+    print("Senior citizen")
+
+# one liner
+category = "Underage" if age < 18 else "Normal citizen" if age < 60 else "Senior citizen"
+
+
+# complete the match
+
+day = int(input("Enter the day number"))  # dont forget to typecast to int
+
+print("Today is: ", end="")  # how can you avoid printing newline here?
+
+match day:
+    case 1:
+        print("Monday")
+    case 2:
+        print("Tuesday")
+    case 3:
+        print("Wednesday")
+    case 4:
+        print("Thursday")
+    case 5:
+        print("Friday")
+    case 6:
+        print("Saturday")
+    case 7:
+        print("Sunday")
+    case _:
+        print("Funday !")
+
+# implement try catch
+
+try:
+    print(1/0)
+except Exception:  # ahh fix the syntax, also when u don't know the error what will u use?
+    print("what u tryna do bro")
+finally:
+    print("So u done?")

narrative26_solutions/test_playground/basics/hello.py

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+# yayy
+print("Hello World")

narrative26_solutions/test_playground/basics/input_output.py

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+# typecast all inputs as prompted
+
+# note: all inputs are strs by default
+
+
+integer = int(input("Enter an integer: "))  # change only this line
+
+print(type(integer))  # should output 'int'
+
+number = float(input("Enter a number (floating point allowed): "))  # change only this line
+
+print(type(number))  # should output 'float'
+
+array = list(input("Enter an array of numbers: ").split())  # change only this line
+
+print(type(array))  # should output 'list'
+
+nums = [1,2,3,4]
+
+print(','.join(map(str, nums)))  # print it as a string joined by commas : 1,2,3,4
+
+
+name = input("Enter your name: ")
+
+print(f"Hello, {name}")  # complete f string
+
+x,y,z = 67, 420 , 9000
+
+
+# 6 print statements is too much, can you get the same output in one print statement ?
+print(x, '\n', y, '\n', z)

narrative26_solutions/test_playground/basics/loops.py

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+# print all multiples of 5 in [1,100]
+
+for i in range(5, 101, 5):  # start, stop, step , range is [start,stop)
+    print(i, end=" ")
+
+
+names = ["Avanish", "Awwab", "Nathan"]
+nicknames = ["Amar", "Akbar", "Anthony"]
+hobbies = ["Marvel", "Anime", "Games"]
+for name, nickname, hobby in zip(names, nicknames, hobbies):  # wow cool new function
+    print(f"Name: {name},  Nickname: {nickname}, Hobby: {hobby}")  # fill this at least
+
+# try zip for adding this array to the above 2 and printing all 3 in loop
+
+
+choice = 'y'
+
+while choice == 'y' or choice == 'Y':  # can you make this case insensitive with one more condition?
+    choice = input("Enter choice [y/n] : ")

narrative26_solutions/test_playground/basics/vars_and_ops.py

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+# declare some variables
+
+x = 10
+y = "5"
+
+print(x + int(y))  # come on think, this ain't javascript
+
+num1, num2 = 6, 7
+
+print(num1 / num2)  # huh this shouldnt output 0
+print(round(num1 / num2, 2))  # bonus: rounded to 2 decimal places
+
+a, n = 1, 31
+
+a = 2 ** n  # can you replace this loop with a one liner?
+
+
+# match the correct statements wrt bitwise operators
+
+print("AND operator:", " & ")
+print("OR operator:", " | ")
+print("XOR operator:", " ^ ")