1. ./break.py
2. ./loop.py
3. ./therapist.py
4. ./unconditional.py
5. ./while.py
6. ./whilevsfor.py

# Compares two versions of the same program, one uses break, one doesn't.
# by Sara Sprenkle

# ---------- while LOOP ----------


# condition says when loop will continue
x=eval(input("Enter number: "))
while x % 2 != 0 :
	print("Error!")
	x = eval(input("Try again: "))
print(x, "is an even number. ") 


# ---------- while LOOP USING break ----------

print("--"*10)
print("Again, but using break")

# have to look inside loop to know when it stops
while True :
	x = eval(input("Enter number: "))
	if x % 2 == 0 :
		break
	print("Error!")
print(x, "is an even number.")

# What does this loop do?
# By Sara Sprenkle

count = 1
while count > 0:
	print(count)
	count += 1
print("After the loop")

# The Very Simple Therapist
# TODO: practice by transforming this solution to use a break statement.
# By CSCI 111

print("-"*60)
print("Welcome to computerized therapy!")
print("You will get your money's worth.")
print("Our session is over when you have nothing more to tell me.")
print("-"*60)

# Your code here...

x=input("Tell me what is bothering you: ")
while x != "" :
    x = input("How does that make you feel? ")
print("Thank you come again") 

# A very special Valentine's Day program
# By CSCI 111

print("-"*60)
print("Happy [Belated] Valentine's Day!")
print("Press enter when you feel unconditional love.")
print("-"*60)

user_input = input("How was your day, valentine?\n")

while user_input != "":
    print("Remember: I will always love you.\n")
    user_input = input("Tell me more, valentine.\n")

print("I hope you feel loved.")

# Demonstrates a simple while loop.
# Trace through program and show what the output is.
# Sara Sprenkle

i = 0
while i < 5 :
    print("i equals", i)
    i+=1
print("Done", i)

# Code to compare a while loop with a for loop
# by Sara Sprenkle

# ---------- WHILE LOOP ----------

print("While Loop Demo")
i=0
while i < 5:
    print("i equals", i)
    i += 1
print("Done", i)

# ---------- FOR LOOP ----------

print("\nFor Loop Demo")
for i in range(5):
    print("i equals", i)

print("Done", i)

# To give exactly the same output as the while loop, 
# would need to print out i+1