week 7.py

largest = 0 # set largest number
number = int(input("Enter a number: ")) # get first number
while number != 0: # if number is not 0
    if number > largest: # if number is greater than the biggest so far
    	largest = number # make the largest equal to this number
    number = int(input("Enter a number: ")) # ask for next number
print("the largest number was", largest) # print the largest number

year = int(input("Enter a year (eg. 2016): ")) # get the year
month = input("Enter a month (eg. November): ").capitalize() # make the first letter a capital
leapYear = (year % 400 == 0) or (year % 4 == 0) # get the remainder from year divided by 400 and 4, if either are 0 then it is a leap year
found = False # the month has not been found yet

if month == "January" or month == "March" or month == "May" or
	month == "July" or month == "August" or month =="October" or month =="December": # these months have 31 days
    print("There are 31 days in",month)
    found = True # the month has been found
elif month == "April" or month == "June" or month == "September" or month == "November": # these months have 30 days
    print("There are 30 days in",month)
    found = True # the month has been found
elif month == "February":
	if leapYear:
    	print("There are 29 days in February")
    else:
    	print("There are 28 days in February")
    found = True # the month has been found
if not found: # if the user entered a month that does not exist
        print(month,"is not a valid month.")


inStr = input("Haystack (string to search in): ")
searchChar = input("Needle (string to search for): ")
searchChar = searchChar[0] # get the first character of the string the user entered

anyFound = False # character has not been found
startAt = 0 # where to start looking
index = startAt # start looking
while index < len(inStr): # look at every character in the string
    if inStr[index] == searchChar: # if current character is the character we want
        anyFound = True # at least one has been found
        print(searchChar, "found at position", index) 
    index = index + 1 # move to next character

if anyFound == False: # if we didnt find the character
    print ("       Sorry", searchChar, "not found")