Pleaae help me find the etror in my python program

#

program using a string and the word $"$in$"$

def main$()$:

favorite fruit $=$ input $("$What is your favorite fruit? $")$

favorite$\_$fruit $=$ favorite$\_$fruit.lower$()$

# Convert input to lowercase for case insensitivity

# Check if the input contains the word "apple" using string slicing

if "apple" in favorite$\_$fruit:

print$("$You like apples!"$)$

else:

print$("$You didn't say you liked apples."$)$

main$()$

def analyze$\_$string$($initials$)$:

analyze$\_$string $($input$\_$initials$)$

# Check if initials are present in any case combination

initials$\_$present $=$ any$($initials$.$lower$()$ in word.lower$()$ for word in words$)$

if initials$\_$present:

print$("$our initials are present in the string."$)$

else:

print$("$Your initials are not present in the string."$)$

def main$()$:

initials $=$ input$("$Enter your initials: $")$

# Perform analysis

main$()$