Chapter 03 simple conditions exam problems

assets/chapter-3-2-images/original/README.md

@@ -0,0 +1 @@
+Put your images here.

python-code-chapter-03-simple-conditions-exam-problems/exam-01-Transport-price.py

@@ -0,0 +1,20 @@
+distance = int(input())
+day_or_night = input()
+
+price = 0.00
+taxi_rate = 0.00
+
+if day_or_night == 'day':
+    taxi_rate = 0.79
+else:
+    taxi_rate = 0.90
+
+if distance < 20:
+    price = 0.70 + distance * taxi_rate
+elif distance < 100:
+    price = distance * 0.09
+else:
+    price = distance * 0.06
+
+print(price)
+

python-code-chapter-03-simple-conditions-exam-problems/exam-02-Pipes-in-Pool.py

@@ -0,0 +1,20 @@
+import math
+
+volume = int(input())
+pipe_1 = int(input())
+pipe_2 = int(input())
+hours = float(input())
+
+water = (pipe_1 + pipe_2) * hours
+
+if water <= volume:
+    print('The pool is {0}% full. Pipe 1: {1}%. Pipe 2: {2}%.' . format(
+        math.trunc(water/volume * 100),
+        math.trunc(pipe_1 * hours / water * 100),
+        math.trunc(pipe_2 * hours / water * 100)
+    ))
+else:
+    print('For {0} hours the pool overflows with {1} liters.' . format(
+        hours,
+        water - volume
+    ))

python-code-chapter-03-simple-conditions-exam-problems/exam-03-Sleepy-Tom-Cat.py

@@ -0,0 +1,19 @@
+import math
+
+holidays = int(input())
+
+working_days = 365 - holidays
+total_play_minutes = working_days * 63 + holidays * 127
+difference = math.fabs(total_play_minutes - 30000)
+hours = int(difference // 60)
+minutes = int(difference % 60)
+
+if total_play_minutes > 30000:
+    print('Tom will run away')
+    print(f'{hours} hours and {minutes} minutes more for play')
+else:
+    print('Tom sleeps well')
+    print(f'{hours} hours and {minutes} minutes less for play')
+
+
+

python-code-chapter-03-simple-conditions-exam-problems/exam-04-Harvest.py

@@ -0,0 +1,20 @@
+import math
+
+vineyard_area = int(input())
+grape_per_square = float(input())
+needed_liters = int(input())
+workers = int(input())
+
+harvest_per_vine = (vineyard_area * grape_per_square) * 0.4
+vine = harvest_per_vine / 2.5
+
+if vine >= needed_liters:
+    vine_left = vine - needed_liters
+    print('Good harvest this year! Total wine: {0} liters.' . format(
+        math.floor(vine)))
+    print('{0} liters left -> {1} liters per person.' . format(
+        math.ceil(vine_left), math.ceil(vine_left / workers)))
+else:
+    print('It will be a tough winter! More {0} liters wine needed.'.format(
+        math.floor(needed_liters - vine)))
+

python-code-chapter-03-simple-conditions-exam-problems/exam-05-Firm.py

@@ -0,0 +1,17 @@
+import math
+
+project_hours = int(input())
+available_days = int(input())
+overtime_workers = int(input())
+
+work_days = available_days * 0.90
+overtime_hours = work_days * 2 * overtime_workers
+work_hours = work_days * 8 * overtime_workers
+total_hours = math.floor(work_hours + overtime_hours)
+
+if project_hours <= total_hours:
+    print('Yes!{0} hours left.' . format(
+        total_hours - project_hours))
+else:
+    print('Not enough time!{0} hours needed.' . format(
+        project_hours - total_hours))