Contents
- average5.py
- more_range_examples.py
- range_analysis.py
- simple_for.py
- sum5_no_loop.py
- sum5.py
average5.py 1/6
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# This program averages numbers supplied by the user.
# By CS111
more_range_examples.py 2/6
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# More range examples
# Sara Sprenkle
print("-------------- range(1, 15, 3) ------------")
for a in range(1,15,3):
print(a)
print("-------------- range(5, -15, -5) ------------")
for b in range(5, -15, -5):
print(b)
# Demonstrate these after handout ...
# Won't display anything
print("-------------- range(5, -15, 5) ------------")
for counter in range(5, -15, 5):
print(counter)
# Won't display anything
print("-------------- range(-5, 15, -5) ------------")
for counter in range(-5, 15, -5):
print(counter)
print("-------------- range(5.5, 15, 1.5) ------------")
# Note that range expects integer values
for counter in range(5.5, 15, 1):
print(counter)
range_analysis.py 3/6
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# Example of for loops using range
# by Sara Sprenkle
# Question: what does range do?
for i in range(10):
squared = i * i
print(i , "^2 =", squared)
print(i)
# QUESTION FOR CLASS:
# How is i changing each time through the loop?
# What is the value of i after the loop?
# What happens if i is renamed to x throughout the program?
simple_for.py 4/6
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# Examples of for loops using range
# by Sara Sprenkle
# The "chorus" gets repeated 3 times
for i in range(3):
print("You say 'hello'")
print("And, I say 'goodbye'...")
for i in range(3):
doubled = i * 2
print( i, "*2=", doubled)
sum5_no_loop.py 5/6
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# This program adds up 5 numbers from the user.
# Compare this version to the version that uses a for loop.
# By CS111
print("This program will add up 5 numbers given by the user.")
num1 = float(input("Enter the first number: "))
num2 = float(input("Enter the second number: "))
num3 = float(input("Enter the third number: "))
num4 = float(input("Enter the fourth number: "))
num5 = float(input("Enter the fifth number: "))
total = num1 + num2 + num3 + num4 + num5
print("The total of the inputted numbers is ", total)
sum5.py 6/6
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# This program adds up 5 numbers from the user.
# By CS111
print("This program will add up 5 numbers given by the user.")
total = 0
# repeat 5 times
for x in range(5):
# get the input from the user
num = eval(input("Input number: "))
# add the user's input to my total
total = num + total
# total += num
print("The total of the inputted numbers is ", total)
# To address a question in class,
# you could print num and it would have the last value assigned to num:
# print(num)
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