1. pick4num.py
2. search.py
3. string_iteration.py

# 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 *
import sys

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

NUMFORMAT="####"

print("Let's play", GAME + "!")

# hardcode number first
pickedNum = "1234"

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

print("The winning number is", end=" ")

lotteryNum = ""

# Generating the random number
for numPositions in range(NUM_PICKS):
    nextNum = randint(MIN_VALUE, MAX_VALUE)
    lotteryNum += str(nextNum)
    #Alternatively: lotteryNum = lotteryNum + str(nextNum)

# Finish up:

# print the winning number
# determine if the user's number matches the winning number.


print()

# 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 = 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 the above be an if-elif ?
#    What is the impact of that decision?

# Iterating through strings
# by Sara Sprenkle

phrase = input("Enter a phrase: ")

print("Iterate through phrase, using characters:")

for char in phrase:
    print(char)
    
print()

print("Iterate through phrase, using positions of characters:")
for pos in range(len(phrase)):
    print(pos, phrase[pos])