lec2_branch_loops.py

###################
## EXAMPLE: strings 
###################
#hi = "hello there"
#name = "ana"
#greet = hi + name  
#print(greet)
#greeting = hi + " " + name
#print(greeting)
#silly = hi + (" " + name)*3
#print(silly)

####################
## EXAMPLE: output 
####################
#x = 1
#print(x)
#x_str = str(x)
#print("my fav number is", x, ".", "x=", x)
#print("my fav number is", x_str + "." + "x=" + x_str)
#print("my fav number is" + x_str + "." + "x=" + x_str)


####################
## EXAMPLE: input
####################
#text = input("Type anything... ")
#print(5*text)
#num = int(input("Type a number... "))
#print(5*num)


####################
## EXAMPLE: conditionals/branching 
####################
#x = float(input("Enter a number for x: "))
#y = float(input("Enter a number for y: "))
#if x == y:
#    print("x and y are equal")
#    if y != 0:
#        print("therefore, x / y is", x/y)
#elif x < y:
#    print("x is smaller")
#elif x > y:
#    print("y is smaller")
#print("thanks!")



####################
## EXAMPLE: remainder 
####################
#num = int(input("Enter a number: "))
#if num % 2 == 0:
#    print("number is even")
#else:
#    print("number is odd")


####################
## EXAMPLE: while loops 
## Try expanding this code to show a sad face if you go right
## twice and flip the table any more times than that. 
## Hint: use a counter
####################
#n = input("You are in the Lost Forest\n****************\n****************\n :)\n****************\n****************\nGo left or right? ")
#while n == "right" or n == "Right":
#    n = input("You are in the Lost Forest\n****************\n******       ***\n  (╯°□°）╯︵ ┻━┻\n****************\n****************\nGo left or right? ")
#print("\nYou got out of the Lost Forest!\n\o/")



#n = 0
#while n < 5:
#    print(n)
#    n = n+1


####################
## EXAMPLE: for loops
####################
#for n in range(5):
#    print(n)
#
#mysum = 0
#for i in range(10):
#    mysum += i
#print(mysum)
#
#mysum = 0
#for i in range(7, 10):
#    mysum += i
#print(mysum)
#
#mysum = 0
#for i in range(5, 11, 2):
#    mysum += i
#    if mysum == 5:
#        break
#        mysum += 1
#print(mysum)



####################
## EXAMPLE: perfect squares
####################
#ans = 0
#neg_flag = False
#x = int(input("Enter an integer: "))
#if x < 0:
#    neg_flag = True
#while ans**2 < x:
#    ans = ans + 1
#if ans**2 == x:
#    print("Square root of", x, "is", ans)
#else:
#    print(x, "is not a perfect square")
#    if neg_flag:
#        print("Just checking... did you mean", -x, "?")


####################
## TEST YOURSELF!
## Modify the perfect squares example to print 
## imaginary perfect sqrts if given a negative num.
####################