Contents

  1. more_range_examples.py
  2. range_analysis.py
  3. simple_for.py
  4. sum5.py

more_range_examples.py 1/4

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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 2/4

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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?


simple_for.py 3/4

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# Examples of for loops using range
# by Sara Sprenkle

# The "chorus" gets repeated 5 times
for i in range(3):
    print("You say 'hello'")
    print("And, I say 'goodbye'...")

    
num_repetitions = 5
   
print()

# for loop with only one statement that gets repeated
for x in range(num_repetitions): print("Repeat the chorus!")


sum5.py 4/4

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# This program adds up 5 numbers from the user.
# By CS111, 09.19.2012

print("This program will add up 5 numbers given by the user.")

total = 0

for i in range(1, 6): # alternatively, for i in range(5):
    num = eval( input("Enter number " + str(i) + ": ") )
    total = total + num
    
print("The total is", total)


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