# Version: October 19, 2021
# Author:  James Tam
# Learning objective: tracing a more complex trace involving: parameters,
# scope, locals and globals. Also, it serves to illustrate how style (poor)
# can affect the readability and understandability of code.

def end():
    print("Is", end=" ")

x = 12
end()
print("this", end=" - ")

def d():
    x = 22
    x = y
    return(x)

def a():
    pass

y = 23

def c():
    x = 21
    y = 888
    print(x,y)
    print(x,y)

def b():
    print("start?")

def e(a,b,c):
    global x
    print(a,b,c)
    a = 7
    b = -13
    c = 888
    x = b
    print(a,b,c)
    return(a)

def start():
    global y
    print("the", end =" ")
    b()
    print(x,y)
    y = 19
    c()
    print(x,y)
    d()
    y = d()
    z = x
    y = e(x,y,z)
    print(x,y,z)

start()