Python 2.5.1.10 LAB: Find a word!

 Find a Word in a Combination of Characters

Find a word game

Objectives

improving the student's skills in operating with strings;

using the find() method for searching strings.

Scenario

Let's play a game. We will give you two strings: one being a word (e.g., "dog") and the second being a combination of any characters.

Your task is to write a program which answers the following question: are the characters comprising the first string hidden inside the second string?

For example:

• if the second string is given as "vcxzxduybfdsobywuefgas", the answer is yes;
• if the second string is "vcxzxdcybfdstbywuefsas", the answer is no (as there are neither the letters "d", "o", or "g", in this order)

Hints:

• you should use the two-argument variants of the pos() functions inside your code;
• don't worry about case sensitivity.

Test your code using the data we've provided.

Test data

Sample input:

donor

Nabucodonosor

Sample output:

Yes

Sample input:

donut

Nabucodonosor

Sample output:

No

Solution Code

word = input("Please Enter a word: ").lower()
text = input("Please Enter a text: ").lower()
found = True
start = 0

for ch in word:
    pos = text.find(ch , start)
    if pos <0:
        found = False
    break
    start = pos + 1
if found:
    print("Yes")
else:
    print("No")