cat_dog¶

Requirements:

substrings and slicing
if, elif, else
loop through a string (while)
loop with an accumulator variable

Output True if the substrings "cat" and "dog" appear the same number of times in a string input by the user. Otherwise, output False.

This exercise was taken from codingbat.com and has been adapted for the Python language. There are many great programming exercises there, but the majority are created for Java.

Test 1¶

Input:

'catdog'

Output:

True

Test 2¶

Input:

'catcat'

Output:

False

Test 3¶

Input:

'1cat1cadodog'

Output:

True

Test 4¶

Input:

'catxxdogxxxdog'

Output:

False

Test 5¶

Input:

'catxdogxdogxcat'

Output:

True

Test 6¶

Input:

'catxdogxdogxca'

Output:

False

Test 7¶

Input:

'dogdogcat'

Output:

False

Test 8¶

Input:

'dogogcat'

Output:

True

Test 9¶

Input:

'dog'

Output:

False

Test 10¶

Input:

'cat'

Output:

False

Test 11¶

Input:

'ca'

Output:

True

Test 12¶

Input:

'c'

Output:

True

Test 13¶

Input:

''

Output:

True