Problem 1
(a) Error: Needs at least one argument
(b) Error: cannot concatenate str and int objects
(c) '20501230'
(d) '40201240'
(e) '1202hello'

Problem 2
(a) '155040'
(b) '152020'
(c) '15503030'
(d) Error: Unexpected keyword argument 'd'does not correspond to a parameter
(e) 'bye20hellohello'

Problem 3
(a) -18
(b) -7

Problem 4
(a) 25
(b) 19

Problem 5
def hotpoLength():
    n = m
    count = 0
    while n > 1:
        if n % 2 == 0:
            n = n/2
        else:
            n = 3*n + 1
    
        count = count + 1
    
    return count
    
# Main program
m = 100
while m <= 200:
    print m, hotpoLength()
    m = m + 1