Contents

  1. pick4winner.py
  2. pick4winner_start.py
  3. search.py
  4. string_compare.py
  5. string_methods.py
  6. survey.py

pick4winner.py 1/6

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# Simulate Pick 4 lottery game - selecting ping pong balls at random
# Modified to figure out if the user entered the winning number
# By CSCI111

from random import *

# define constants that are easy to change so that our
# program is flexible
NUM_PICKS = 4
MIN_VALUE = 0
MAX_VALUE = 9

NUMFORMAT="####"

# start with a hardcoded number before getting user input
pickedNum = input("What is your pick? (Format: " + NUMFORMAT + ") ")

######  TODO: handle bad input ######

# Generate the winning number
winningNum = ""

for x in range(NUM_PICKS):
    randnum = randint(MIN_VALUE, MAX_VALUE)
    # add randnum as a string to winningNum 
    # so that they are side-by-side
    randnumStr = str(randnum)
    winningNum = winningNum + randnumStr
    # winningNum = winningNum + str(randnum)
    # winningNum += str(randnum)

# Display the winning number
print("The winning number is", winningNum)

# Check if the user won, display
if pickedNum == winningNum:
    print("You won!  Can we be friends?")
else:
    print("Sorry.")


pick4winner_start.py 2/6

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# Simulate Pick 4 lottery game - selecting ping pong balls at random
# Modified to figure out if the user entered the winning number
# By CSCI111

from random import *

# define constants that are easy to change so that our
# program is flexible
NUM_PICKS = 4
MIN_VALUE = 0
MAX_VALUE = 9

NUMFORMAT="####"

# start with a hardcoded number before getting user input
pickedNum = "1234"

#pickedNum = input("What is your pick? (Format: " + NUMFORMAT + ") ")



######  TODO: handle bad input ######

# 

search.py 3/6

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# Demonstrate use of "in" operator for strings as well
# as an if test
# Sara Sprenkle

# QUESTION: Why is this a constant?
PYTHON_EXT = ".py"

filename = raw_input("Enter a filename: ")

if filename[-(len(PYTHON_EXT)):] == PYTHON_EXT:
    print "That's a name for Python script"

if PYTHON_EXT in filename:
    print "That filename contains", PYTHON_EXT

# QUESTION: SHOULD THIS BE AN IF/ELIF?
# What is the impact of that change?




string_compare.py 4/6

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# Program compares two strings
# by Sara Sprenkle

str1 = input("Enter a string to compare: ")
str2 = input("Compare '" + str1 + "' with what string? ")

print("-" * 40)

if str1 < str2 :
    print("Alphabetically,", str1, "comes before", str2 + ".")
elif str1 > str2:
    print("Alphabetically,", str2, "comes before", str1 + ".")
else:
    print("You tried to trick me!", str1, "and", str2, "are the same word!")

string_methods.py 5/6

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# Manipulate strings, using methods
# by Sara Sprenkle

sentence = input("Enter a sentence to mangle: ")

length = len(sentence)

# Question: What does the statement below do?
print("*", sentence.center(int(length*1.5)), "*")

upperSentence = sentence.upper()
print(upperSentence)
print(sentence)

print("Uppercase: ", sentence.upper())
print()
print("Lowercase: ", sentence.lower())
print()

# Answer before running...
print("Did sentence change?: ", sentence)

survey.py 6/6

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# Demonstrate use of constants, string concatenation
# by CS111

import sys
from random import *

SCALE_MIN=0
SCALE_MAX=100
DIVIDER_LENGTH=70
NUM_TIMES=3

divider="-"*DIVIDER_LENGTH

print(divider)

prompt = "On a scale of " + str(SCALE_MIN) + " to " + str(SCALE_MAX)
# broke up into 2 lines because ran out of room
prompt += ", what do you think of Ryan Gosling? "

for whichTime in range(NUM_TIMES):
    # ask once, with wise crack
    rating = float(input(prompt))
    if rating < SCALE_MIN or rating > SCALE_MAX:
        print("Your rating is not in the valid range", SCALE_MIN, "to", SCALE_MAX)
        sys.exit(1)
    
    responseType = randint(0,3)
    if responseType <= 1:
        print(rating,"?!?  That's more than I do.")
    elif responseType == 2:
        print("yup, right on.")
    else:
        print("Nah,", rating, "is much too low.")
    
    print(divider)


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