#Create one tuple for storing the months...

monthTuple $=(\text{'}$January$\text{'},$ 'February','March', 'April', 'May', 'June', 'July', 'August', 'September', "October", "November", "December"$)$

#Check if the userMonth is not in monthTuple then print the Invalid...

if not$($userMonth in monthTuple$)$:

print$("$Invalid$")$

#Check for the March month with userDay...

elif userMonth $==$ 'March':

if not$(1<=$ userDay $<=31)$:

print$("$Invalid$")$

elif userDay $<=19$:

print$("$Winter$")$

else:

print$("$Spring$")$

#Check for the April month with userDay...

elif userMonth $==$ 'April' :

if not$(1<=$ userDay $<=30)$:

print$("$Invalid$")$

else:

print$("$Spring$")$

#Check for the May month with userDay...

elif userMonth $==$ 'May':

if not$(1<=$ userDay $<=31)$:

print$("$Invalid$")$

else:

print$("$Spring$")$

#Check for the June month with userDay...

elif userMonth $==$ 'June':

if not$(1<=$ userDay $<=30)$:

print$("$Invalid$")$

elif userDay $<=20$:

print$("$Spring$")$

else:

print$("$Summer$")$

#Check for the July month with userDay...

elif userMonth $==$ 'July':

if not$(1<=$ userDay $<=31)$:

print$("$Invalid$")$

else:

print$("$Summer$")$

#Check for the August month with userDay...

elif userMonth $==$ 'August':

if not$(1<=$ userDay $<=31)$:

print$("$Invalid$")$

else:

print$("$Summer$")$

#Check for the September month with userDay...

elif userMonth $==$ 'September':

if not$(1<=$ userDay $<=30)$:

print$("$Invalid$")$

elif userDay $<=21$:

print$("$Summer$")$

else:

print$("$Autumn$")$

#Check for the October month with userDay...

elif userMonth $==$ "October":

if not$(1<=$ userDay $<=31)$:

print$("$Invalid$")$

else:

print$("$Autumn$")$

#Check for the November month with userDay...

elif userMonth $==$ "November":

if not$(1<=$ userDay $<=30)$:

print$("$Invalid$")$

else:

print$("$Autumn$")$

#Check for the December month with userDay...

elif userMonth $==$ "December":

if not$(1<=$ userDay $<=31)$:

print$("$Invalid$")$

elif userDay $<=20$:

print$("$Autumn$")$

else:

print$("$Winter$")$

#Check for the January month with userDay...

elif userMonth $==$ 'January':

if not$(1<=$ userDay $<=31)$:

print$("$Invalid$")$

else:

print$("$Winter$")$

#Check for the February month with userDay...

elif userMonth $==$ "February":

if not$(1<=$ userDay $<=29)$:

print$("$Invalid$")$

else:

print$("$Winter$")$