Exercises C

1.py

principal = 100 # $100
rate = 0.04 # 4%
time = 2 # 2 years

### PART A: Calculate the simple interest
### i will earn after 2 years, using
### the formula:
### interest = principal * rate * time


### PART B: Print the amount of interest
### i have earnt to the screen


### PART C: Add the amount of interest earnt
### to the principal, and print this
### value to the screen as well.

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2.py

answer = "Grant Hackett"
question = "Who won the men's 1500m freestyle at the 2000 Sydney Olympics?"

guess = input( ### something here ### )


# Question: ask the question, and input an answer from the user.
# If the answer is correct, say "Correct", otherwise say "Incorrect".

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3.py

magic_word = "please"

answer = input("What do you say if you want a treat?")

while ### something here ###:

  answer = input("Try again. What do you say for a treat?")



### Question: make this loop until the user answers "please"

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4.py

# % symbol gives the remainder
# for example:
# 10 % 3 = 1
# 5 % 3 = 2
# 42 % 9 = 6

import random

number = random.randint(1,10)
remainder = number % 2
odd_or_even = ""

# Question: code the following functionality
# which tells me if the number is odd or even:

# if the remainder is 0:
#   set odd_or_even to "even"
# else:
#   set odd_or_even to "odd"

print("Number:", number)
print("Remainder:", remainder)
print("Odd or even:", odd_or_even)

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5.py

# A bus can take 40 students (total).

# The number of students (currently) on each bus:
bus1 = 38
bus2 = 35 
bus3 = 12

remaining_students = int(input("How many students remaining? "))

# Question 1: Keep all remaining students together on one bus:

    # If all remaining students can fit on bus1,
    # print a message to send them all to bus1.

    # If all remaining students wont fit on bus1, but will fit on bus2,
    # print a message to send them all to bus2.

    # If all remaining students wont fit on bus2, but will fit on bus3,
    # print a message to send them all to bus3.

    # If all remaining students wont fit on a bus3,
    # print a message saying "Not enough room on any bus for you all".

# ----------------------------------------------------------------

# Question 2 (extension): Break up the remaining students, so that
# the load is shared amongst the three busses, filling up bus1 first,
# then bus2, then bus3, then print any students left as "left behind".

# For example:

# How many students remaining? 23
# bus1: 40
# bus2: 40
# bus3: 28
# left behind: 0

# Or:

# How many students remaining? 52
# bus1: 40
# bus2: 40
# bus3: 40
# left behind: 17

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