I keep getting a syntax error on the else statement after my first if statement , how can i correct it . python programming . thanks

^{sent=input("enter a sentence :")}

^{sentList=sent.split()}

^{first=sentList[0]}

^capt=0

^punct=0

^sent1=""

^{if(first.isupper()== True): sent1=''.join(sentList) else: capt=1 sentList[0]=first.upper() sent1=''.join(sentList) if(sent1.endswith(('!','.','?'':','#'))) pass else: sent1 +="." punct=1 if(capt==1 and punct ==0): print("Invalid , first word not capitalized , please correct:") print(sent1) elif(capt==0 and punct == 1): print("Invalid , sentence did not end with punctuation, please correct:) print(sent1) elif(capt==0 and punct ==0): print("sentence correct:") elif(capt==1 and punct==1): print("invalid sentence not capitalized and no punction please correct") print(sent1)}