Contents

  1. more_range_examples.py
  2. our_for_examples.py
  3. our_solutions.py
  4. range_analysis.py
  5. simple_for.py
  6. sum5.py
  7. using_range.py

more_range_examples.py 1/7

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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)

# For 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)

our_for_examples.py 2/7

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# Solutions to our examples of using the for loop
# CSCI111

print("First Solution")
for x in range(1, 6, 1):
    print(x)

# Alternative
print("Second Solution")
for x in range(1, 6):
    print(x)
    
# Alternative
print("Third Solution")
for x in range(5):
    print(x+1)
    
print("Solution for problem b")
# alternatively, stop could be 12 or 13
for anything in range(2, 14, 3):
    print(anything)
    
print("Solution for problem c")
stars = "****"
for i in range(3):
    print(stars)

our_solutions.py 3/7

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# Solutions to problems on slide
# by CSCI111

print("for a to display 1,2,3,4,5")

for i in range(1, 6):
    print(i)

print()

for x in range(5):
    print(x+1)

print()
print("for b to display 2, 5, 8, 11")

for i in range(2, 12, 3):
    print(i)
    
print()
for var in range(2, 14, 3):
    print(var)
	
	
print()
print("for c to display ****, ****,****")

for i in range(3):
    print("****")
    

range_analysis.py 4/7

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# Example of for loops using range
# by Sara Sprenkle

# Question: what does range do?
for variable in range(5):
    print(variable)

print("After the loop:", variable)

# QUESTION FOR CLASS:
# How is i changing each time through the loop?

# What happens if you change the variable from
#	i to some other variable name?

simple_for.py 5/7

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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'...")
   
print()

num_repetitions = 5

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


sum5.py 6/7

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# Adding up 5 numbers from the user --> not yet complete
# By CSCI111

total = 0

# repeat 5 times
for num in range(5):
    # asking for input
    n = int(input("Enter a number: "))
    # adding the user's input to our sum
    total = total + n
    

using_range.py 7/7

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# Examples of using range, with different numbers of parameters
# by Sara Sprenkle
#

print("------------ range(10) ------------")
for x in range(10):
    print(x)

print("----------- range(5,10) -----------")
for y in range(5, 10):
    print(y)

print("----------- range(1,10,2) -------------")
for x in range(1, 10, 2):
    print(x)

    
# What happens if step is negative?
# What happens if stop < start?

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