Question

def annoying_valley(n):
if n == 0:
print()
elif n == 1:
print("*")
elif n == 2:
print("./")
print("*")
print(".\\")
elif n == 3:
print("../")
print("./")
print("*")
print(".\\")
print("..\\")
elif n == 4:
print(".../")
annoying_valley(3)
print("...\\")
elif n == 5:
print("..../")
annoying_valley(4)
print("....\\")
elif n == 6:
print("...../")
annoying_valley(5)
print(".....\\")
else:
print("." * (n - 1) + "/")
annoying_valley(n - 1)
print("." * (n - 1) + "\\")

def annoying_int_sequence(n):
if n == 0:
return []
elif n == 1:
return [1]
else:
a = annoying_int_sequence(n-1)
b = a + [n]
return b * (n-1) + a

Please write two descriptions like below for these two function

def some_function(some_param):

"""

A summary/description of what the function does.

Parameters: give a brief description for each parameter (if there are any)

Returns: give a brief description of each of the return values (if there are any)

Pre-condition: detail any assumptions made by the function, i.e., any pre-condition that must be met in order for the function to work correctly

Post-condition: detail what we can expect to be true after the function has finished execution, i.e., its post-condition

""

Answer 1

The annoying_valley(n) function prints a sloping pattern while the function annoying_int_sequence(n)  prints a recursive pattern.

The DocString is included with the code.

The necessary comments that will help you understand the solution.

def annoying_valley(n):
    """This Function prints a slope pattern
       It takes a input number (n) which is used for the no of slope lines
       It returns None
       The input number must be >= 0 to see the output
       The function first prints a decreasing /(forward slash) pattern and after that *(as a seperator) and it prints mirror image of the pattern above *
    """
    if n == 0:
        print()
    elif n == 1:
        print("*")
    elif n == 2:
        print("./")
        print("*")
        print(".\\")
    elif n == 3:
        print("../")
        print("./")
        print("*")
        print(".\\")
        print("..\\")
    elif n == 4:
        print(".../")
        annoying_valley(3)
        print("...\\")
    elif n == 5:
        print("..../")
        annoying_valley(4)
        print("....\\")
    elif n == 6:
        print("...../")
        annoying_valley(5)
        print(".....\\")
    else :
        print("." * (n - 1) + "/")
        annoying_valley(n - 1)
        print("." * (n - 1) + "\\")

def annoying_int_sequence(n):
    """This Function prints a recursive series whose base series is [1,2,1]
       It takes a input number (n) 
       It returns a List of integers
       The input number must be >= 0 to see the output
       The functions returns a list which will repeat till(n-1) times and after that [n] will be printed.
       Example:
       For(n=3) The final return will be [1,2,1] * (3-1) + [1,2,1]. Here [1,2,1] is variable a = [1,2,1]
    """
    if n == 0:
        return []
    elif n == 1:
        return [1]
    else :
        a = annoying_int_sequence(n - 1)
        b = a + [n]
    return b * (n - 1) + a

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