Question

Using Python

1.

#Now, let's improve our steps() function to take one parameter
#that represents the number of 'steps' to print. It should
#then return a string that, when printed, shows output like
#the following:
#
#print(steps(3))
#111
#   222
#       333
#
#print(steps(6))
#111
#   222
#       333
#           444
#               555
#                   666
#
#Specifically, it should start with 1, and show three of each
#number from 1 to the inputted value, each on a separate
#line. The first line should have no tabs in front, but each
#subsequent line should have one more tab than the line
#before it. You may assume that we will not call steps() with
#a value greater than 9.
#
#Hint: You'll want to use a loop, and you'll want to create
#the string you're building before the loop starts, then add
#to it with every iteration.

#Write your function here!

#The following two lines will test your code, but are not
#required for grading, so feel free to modify them.
print(steps(3))
print(steps(6))

2.

#Write a function called mock. mock should take one
#parameter, a string. You may assume that the string will
#have only lowercase letters and spaces.
#
#Your function should return the same string, but any letter
#at an even index should be converted to uppercase.
#
#For example: mock("abcd efgh ijkl") would return
#"AbCd eFgH IjKl".
#
#Remember, you can use the ordinal function ord() to get the
#number associated with a single letter. For example,
#ord("a") returns 97. The number associated with lowercase
#letters is always 32 larger than the number associated with
#the equivalent uppercase letter. ord("a") is 97, and
#ord("A") is 65. ord("z") is 122, and ord("Z") is 90.
#
#Remember, you can use the character function chr() to
#convert a number back to a letter. For example, chr(65) will
#return "A".
#
#HINT: Treat all characters the same initially, then worry
#about taking care of spaces afterwards.

#Write your function here!
def mock(a_string):
  

#Below are some lines of code that will test your function.
#You can change the value of the variable(s) to test your
#function with different inputs.
#
#If your function works correctly, this will originally
#print: "AbCd eFgH IjKl".

print(mock("abcd efgh ijkl"))

Answer 1

PART 1 -

CODE -

def steps(n):
# Creating an empty string
str_text = ""
# Loop to build our string
for i in range(n):
# Adding a line of string to the previous string in every iteration.
# Remember I have used 2 spaces for a tab. You can change it if you need to.
str_text += i*" " + 3*str(i+1) + "\n"
# Returning the string
return str_text

SCREENSHOT -

PART 2 -

CODE -

def mock(a_string):
# Creating an empty string
result = ""
# Iterating over the original string
for i in range(len(a_string)):
# Converting the even indexed character to uppercase if it is not a space and appending it to the string result
if i%2 == 0 and a_string[i] != " ":
result += chr(ord(a_string[i]) - 32)
# Appending the character to the string result without any modification if it is not even indexed character or if it is a space
else:
result += a_string[i]
# Returning the result string
return result

SCREENSHOT -

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