Question

Write a function is_a_number(string) that takes a string as a parameter and returns True if the string is an integer value, otherwise returns False. You may assume the string has at least one character in it. For example: Test Result print(is_a_number('sorry')) False print(is_a_number('453')) True

          Write a function is_a_number(string) that takes a
string as a parameter and returns True if the string
is an integer value, otherwise returns False. You
may assume the string has at least one character in
it.
For example:
Test
Result
print(is_a_number('sorry')) False
print(is_a_number('453')) True

Write a function isanumber(string) that takes a
string as a parameter and returns True if the string
is an integer value, otherwise returns False. You
may assume the string has at least one character in
it.
For example:
Test
Result
print(isanumber('sorry')) False
print(isanumber('453')) True

Added by Luz H.

Computer Science and Information Technology

Trishna Knowledge Systems 2018 Edition

Instant Answer

Solved by Expert Lien Le

Step 1

First, we need to check if the string can be converted to an integer without raising an error. We can use a try-except block to handle this. Show more…

Show all steps

Thanks for your feedback!

Write a function is_a_number(string) that takes a string as a parameter and returns True if the string is an integer value, otherwise returns False. You may assume the string has at least one character in it. For example: Test Result print(is_a_number('sorry')) False print(is_a_number('453')) True