xxxxxxxxxx
def count_substring(string, substring):
count = 0
start = 0
while True:
start = string.find(substring, start) + 1
if start > 0:
count += 1
else:
break
return count
# Example usage
text = "gfg is a popular site for coding practice. gfg is great for practice."
substring = "gfg"
count = count_substring(text, substring)
print(count) # Output: 2