Many companies use telephone numbers like 555-GET-FOOD so the number is easier f

Question

Many companies use telephone numbers like 555-GET-FOOD so the number is easier for their customers to remember. On a standard telephone, the alphabetic letters are mapped to numbers in the following fashion: A,B and C = 2 D,E and F = 3 G,H and I = 4 J,K and L = 5 M,N and O = 6 P,Q,R and S = 7 T,U and V = 8 W,X,Y, and Z = 9 Design a program that asks the user to enter a 10-character telephone number in the format XXX-XXX-XXXX. The program should display the telephone number with any alphabetic characters that appeared in the original translated to their numeric equivalent. For example, if the user enters 555-GET-FOOD the program should display 555-438-3662. plain pseudocode for the book Starting Out with Programming Logic and Design,

Explanation / Answer

phone_letters = {'A': '2','B': '2','C': '2','D': '3','E': '3',
'F': '3','G': '4','H': '4','I': '4','J': '5',
'K': '5','L': '5','M': '6','N': '6','O': '6',
'P': '7','Q': '7','R': '7','S': '7','T': '8',
'U': '8','V': '8','W': '9','X': '9','Y': '9',
'Z': '9'}

number = input('Enter an alpha-numeric phone number: ')

result = []

for n in number:
if n.isdigit():
str(result.append(n))
if n.isalpha():
value = phone_letters.get(n.capitalize())
result.append(value)

for ch in result:
print(ch)
#print differently

Related Questions

Navigate

• Browse (All)
• Browse M
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.