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First solution in Uncategorized category for Count Substring Occurrences by Julia_Swiatek
def count_occurrences(main_str: str, sub_str: str) -> int:
# your code here
return 0
def count_occurrences(main_str, sub_str):
main_str_lower = main_str.lower()
sub_str_lower = sub_str.lower()
count = 0
index = main_str_lower.find(sub_str_lower)
while index != -1:
count += 1
index = main_str_lower.find(sub_str_lower, index + 1)
return count
print("Example:")
print(count_occurrences("hello world hello", "hello"))
# These "asserts" are used for self-checking
assert count_occurrences("hello world hello", "hello") == 2
assert count_occurrences("Hello World hello", "hello") == 2
assert count_occurrences("hello", "world") == 0
assert count_occurrences("hello world hello world hello", "world") == 2
assert count_occurrences("HELLO", "hello") == 1
assert count_occurrences("appleappleapple", "appleapple") == 2
assert count_occurrences("HELLO WORLD", "WORLD") == 1
assert count_occurrences("hello world hello", "o w") == 1
assert count_occurrences("apple apple apple", "apple") == 3
assert count_occurrences("apple Apple apple", "apple") == 3
assert count_occurrences("apple", "APPLE") == 1
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Jan. 18, 2024