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3 years ago

Which of the following is a valid variable name? 1. three com 2. 3com 3. 3 com 4. ampersand&

1 answer:

4 0

***Correction: Options of the question have mistakes in them. The correct options are given in the comment section under the question above***

Answer:

The correct answer is Option (1) three_com

Explanation:

There are a few rules you need to keep in mind while naming any variable, which are as follows:

The first letter of any variable name should be either a letter of an alphabet or an underscore. For example, helloWorld or _helloWorld.
No special characters (except underscore obviously) or spaces in between the name are allowed. For example, hello&world or hello world are not valid names.
The first letter of the variable name should not be a number.

Now look at all the options given:

Option-1 (three_com): The name starts with the letter t of an alphabet and there are no spaces or special characters in it except an underscore (which is acceptable). Therefore, this option is correct.

Option-2 (3com): The name starts with a number. Not allowed.

Option-3 (3_com): The name starts with a number. Not allowed.

Option-4 (ampersand&): The name has a special character & in it, which is not allowed as per the aforementioned rules.

Hence, the correct answer is option (1) three_com.

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<h3>The Program</h3>

input_month = input()

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months= ('January', 'February','March', 'April' , 'May' , 'June' , 'July' , 'August' , 'September' , "October" , "November" , "December")

if not(input_month in months):

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elif input_month == 'March':

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elif input_month == 'April' :

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print("Invalid")

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print("Invalid")

else:

print("Spring")

elif input_month == 'June':

if not(1<=input_day<=30):

print("Invalid")

elif input_day<=20:

print ("Spring")

else:

print("Summer")

elif input_month == 'July' or 'August':

if not(1<=input_day<=31):

print("Invalid")

else:

print("Summer")

elif input_month == 'September':

if not(1<=input_day<=30):

print("Invalid")

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print("Invalid")

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print("Autumn")

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print("Invalid")

else:

print ("Autumn")

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print("Invalid")

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