Added Day 1 to Day 4 Python Solutions

Day 1/band-generator.py

@@ -1,14 +1,14 @@
 #1. Create a greeting for your program.
-print("Hello there! Welcome to Band Generator.")
+print("welcome to Day 1 of 100 days of Python")
 
 #2. Ask the user for the city that they grew up in.
-city = input("Please tell us your city name. \n")
+city = input("In which city you grew in?\n")
 
 #3. Ask the user for the name of a pet.
-pet = input("Please tell us your pet's name. \n")
+pet = input("What is name of your pet? \n")
 
 #4. Combine the name of their city and pet and show them their band name.
 band_name = f"{city} {pet}"
 
 #5. Make sure the input cursor shows on a new line.
-print(f"Your band name should be {band_name}.")
+print(f"Your band name should be {band_name}.")

Day 1/exercise1.py

@@ -1,5 +1,4 @@
 '''Write a program in main.py that prints the some notes from the previous lesson using what you have learnt about the Python print function.'''
 
-print("100 Days of Python")
+print("I am doing the challenge 100 Days of Python")
 print("This is the Day 1.")
-print("We can print single quotes like this ' '.")

Day 1/exercise2.py

@@ -11,7 +11,7 @@
   print('e.g. print("Hello " + "world")')
 print(("New lines can be created with a backslash and n.")
 '''
-
+#Fixed
 print("Day 1 - String Manipulation")
 print('String Concatenation is done with the "+" sign.')
 print('e.g. print("Hello " + "world")')
@@ -68,4 +68,4 @@ def test_1(self):
 print(".\n.\n.")
 unittest.main(verbosity=1, exit=False)
 
-os.remove("testing_copy.py") 
+os.remove("testing_copy.py") 

Day 1/exercise3.py

@@ -3,4 +3,4 @@
 '''
 
 string = input("Enter the string : ")
-print(len(string))
+print(len(string))

Day 1/exercise4.py

@@ -1,5 +1,5 @@
 '''Write a program that switches the values stored in the variables a and b.'''
 
-a, b = map(int, input().split(" "))
-a, b = b, a
-print(a, b)
+x, y = map(int, input().split(" "))
+x, y = y, x
+print(x, y)

Day 1/main.py

@@ -1 +1 @@
-print("Hello World !")
+print("Hello World!")

Day 2/exercise1.py

@@ -11,4 +11,4 @@
     sum = int(two_digit_number[0])+int(two_digit_number[1])
     print(f"Sum of digits of {two_digit_number} is {sum}.")
 except ValueError:
-    print("Please enter an integer.")
+    print("Please enter only two digit integer.")

Day 2/exercise2.py

@@ -13,7 +13,11 @@
 
 # Write your code below this line 👇
 try:
-    bmi = float(weight)/(float(height)**2)
-    print(f"Your BMI is {bmi}.")
+    height = float(height)
+    weight = float(weight)
+
+    bmi = weight / (height ** 2)
+    print("Your BMI is:", round(bmi, 2))
+
 except ValueError:
-    print("Please enter integer or float values only.")
+    print("Invalid input. Please enter numeric values only.")

Day 2/exercise3.py

@@ -8,21 +8,27 @@
 Where x, y and z are replaced with the actual calculated numbers.
 '''
 
+'''
+Create a program using maths and f-Strings that tells us how many days, weeks, months we have left if we live until 90 years old.
+
+It will take your current age as the input and output a message with our time left in this format:
+
+You have x days, y weeks, and z months left.
+
+Where x, y and z are replaced with the actual calculated numbers.
+'''
+
 # 🚨 Don't change the code below 👇
 age = input("What is your current age?")
 # 🚨 Don't change the code above 👆
 
 # Write your code below this line 👇
 
 try:
-    age = int(age)
-    years_left = 90 - age
-    months_left = years_left * 12
-    weeks_left = years_left * 52
-    days_left = years_left * 365
-
-    print(
-        f"You have {years_left} years, {months_left} months, {weeks_left} weeks and {days_left} days left.")
-
+    a = 90-int(age)
+    x = a*365
+    y = a*52
+    z = a*12
+    print("You have", x,"days", y,"weeks", "and",z ,"months left")
 except ValueError:
-    print("Enter age in integer only.")
+    print("please enter age value in Integer")

Day 2/main.py

@@ -1,4 +1,3 @@
 mystery = 734_529.678
 print(type(mystery))
-
-print(6+4/2-(1*2))
+print(6+4/2-(1*2))

Day 2/tip_calculator.py

@@ -7,8 +7,7 @@
 tip_rate = input(
     "What percent of bill do you wish to pay as tip : 10, 12 or 15 ? ")
 try:
-    amount = (float(bill)/int(persons)) * ((100+int(tip_rate))/100)
-    print(f"You need to pay ${round(amount,2)} per person.")
-
+    share = ((float(bill)/int(persons))*(1+(float(tip_rate)/100)))
+    print("Each person should pay",round((share),2))
 except ValueError:
-    print("Please enter float or integer values only.")
+    print("please enter the value in correct format")

Day 3/exercise1.py

@@ -2,4 +2,11 @@
 Write a program that works out whether if a given number is an odd or even number.
 '''
 
-print("Even") if int(input()) % 2 == 0 else print("Odd")
+try:
+    sum = int(input("enter the no. to check: "))
+    if sum %2 ==0:
+        print(f"the no.{sum} is even")
+    else :
+        print(f"the no.{sum} is Odd")
+except ValueError:
+    print("please enter integer value only")

Day 3/exercise2.py

@@ -14,17 +14,15 @@
 weight = input("Enter weight in kgs : ")
 
 try:
-    bmi = round(float(weight)/(float(height)**2))
-
-    if bmi < 18.5:
-        print(f"Your BMI is {bmi} and you are underweight.")
-    elif bmi < 25:
-        print(f"Your BMI is {bmi} and you are normal.")
-    elif bmi < 30:
-        print(f"Your BMI is {bmi} and you are slightly overweight.")
-    elif bmi < 35:
-        print(f"Your BMI is {bmi} and you are obese.")
-    else:
-        print(f"Your BMI is {bmi} and you are clinically obese.")
+    BMI = float(float(weight)/(float(height)*float(height)))
+    print(BMI)
+    if BMI< 18.5:
+        print("you are underweight")
+    elif BMI<25:
+        print("you are Normalweight")
+    elif BMI <30:
+        print("you are Obese")
+    else :
+        print("you are clinically Obese")
 except ValueError:
-    print("Enter integer or float values only.")
+    print("please enter only float values")

Day 3/exercise3.py

@@ -7,18 +7,19 @@
 '''
 
 try:
-    year = int(input("Enter year : "))
-
+    year = int(input("Please enter the year: "))
+    
     if year % 4 == 0:
         if year % 100 == 0:
             if year % 400 == 0:
-                print("Leap Year !")
+                print(f"The year {year} is a Leap Year")
             else:
-                print("Not a leap year !")
+                print(f"The year {year} is NOT a Leap Year")
         else:
-            print("Leap Year !")
+            print(f"The year {year} is a Leap Year")
     else:
-        print("Not a leap year !")
-
+        print(f"The year {year} is NOT a Leap Year")
+        
 except ValueError:
-    print("Enter integer values only.")
+    print("Please enter the year in integer format only.")
+

Day 3/exercise4.py

@@ -11,26 +11,33 @@
 Extra cheese for any size pizza: + $1
 '''
 
-size = input("Which size of pizza ? S, M or L : ")
-pepperoni = input("Do you want pepperoni? Y or N : ")
-cheese = input("Do you want extra cheese ? Y or N : ")
+size = input("Choose your pizza size (S/M/L): ").upper()
+add_pepperoni = input("Do you want pepperoni? (Y/N): ").upper()
+extra_cheese = input("Do you want extra cheese? (Y/N): ").upper()
 
 bill = 0
 
-if size == 'S':
+# Base price
+if size == "S":
     bill += 15
-elif size == 'M':
+elif size == "M":
     bill += 20
-else:
+elif size == "L":
     bill += 25
+else:
+    print("Invalid pizza size entered!")
+    exit()
 
-if pepperoni == 'Y':
-    if size == 'S':
+# Pepperoni
+if add_pepperoni == "Y":
+    if size == "S":
         bill += 2
     else:
         bill += 3
 
-if cheese == 'Y':
+# Extra cheese
+if extra_cheese == "Y":
     bill += 1
 
-print(f"Your total bill is {bill}.")
+print(f"Your final bill is: ${bill}")
+

Day 3/exercise5.py

@@ -14,26 +14,22 @@
 
 # Write your code below this line 👇
 
-name_string = (name1+name2).lower()
+combined = (name1 + name2).lower()
 
-t = name_string.count("t")
-r = name_string.count("r")
-u = name_string.count("u")
-e = name_string.count("e")
+# Count TRUE letters
+t = combined.count("t")
+r = combined.count("r")
+u = combined.count("u")
+e1 = combined.count("e")
+true = t + r + u + e1
 
-l = name_string.count("l")
-o = name_string.count("o")
-v = name_string.count("v")
-e = name_string.count("e")
+# Count LOVE letters
+l = combined.count("l")
+o = combined.count("o")
+v = combined.count("v")
+e2 = combined.count("e")
+love = l + o + v + e2
 
-true = t+r+u+e
-love = l+o+v+e
+score = int(str(true) + str(love))
 
-true_love = int(str(true)+str(love))
-
-if true_love < 10 or true_love > 90:
-    print(f"Your score is {true_love}")
-elif 40 <= true_love <= 50:
-    print(f"Your score is {true_love}, you are alright together.")
-else:
-    print(f"Your score is {true_love}")
+print(f"Your love score is {score}")

Day 3/main.py

@@ -11,22 +11,25 @@
 - photo : + $3 
 '''
 
+print("Welcome to the Rollercoaster Ride!")
+
 height = int(input("What is your height in cms? : "))
+age = int(input("Please enter your age in years: "))
+photo = input("Do you want framed picture of your ride (Y/N): ").upper()
+
+price = 0
 
 if height >= 120:
-    bill = 0
-    age = int(input("How old are you ? : "))
-    if age <= 12:
-        bill += 5
+    if age < 12:
+        price += 5
     elif age < 18:
-        bill += 7
+        price += 7
     else:
-        bill += 12
+        price += 12
 
-    photo = input("Do you want photo? : ")
     if photo == "Y":
-        bill += 3
+        price += 3
 
-    print(f"Your total bill is {bill}.")
+    print(f"Total price for your ride is ${price}")
 else:
-    print("You are not eligible for the rollercoaster ride.")
+    print("Sorry! You must be at least 120 cm tall to ride.")

Day 3/treasure_island.py

@@ -41,4 +41,4 @@
     else:
         print("You get attacked by an angry trout. Game Over.")
 else:
-    print("You fell into a hole. Game Over.")
+    print("You fell into a deadly hole. Game Over.")

Day 4/exercise1.py

@@ -13,8 +13,8 @@
 # 🚨 Don't change the code above 👆
 
 # Write your code below this line 👇
-randomSide = random.randint(0, 1)
-if randomSide == 1:
+toss = random.randint(0,1)
+if toss == 1:
     print("Heads")
 else:
     print("Tails")

Day 4/exercise2.py

@@ -3,20 +3,17 @@
 '''
 
 import random
+
 # 🚨 Don't change the code below 👇
 test_seed = int(input("Create a seed number: "))
 random.seed(test_seed)
 
 # Split string method
-namesAsCSV = input("Give me everybody's names, seperated by a comma. ")
-names = namesAsCSV.split(", ")
+namesAsCSV = input("Give me everybody's names, separated by a comma: ")
+names = namesAsCSV.split(",")
 # 🚨 Don't change the code above 👆
 
 # Write your code below this line 👇
-num_items = len(names)
-# Generate random numbers between 0 and the last index.
-random_choice = random.randint(0, num_items - 1)
-# Pick out random person from list of names using the random number.
-person_who_will_pay = names[random_choice]
+payer = random.choice(names)
 
-print(person_who_will_pay + " is going to buy the meal today!")
+print(f"{payer} is going to buy the meal today!️")