程序代写代做代考 Programming Exercise 3-1
Programming Exercise 3-1
Programming Exercise 8-4
def main():
# Local variables
morse_string = ”
index = 0
# List of Morse codes
morse_list = [‘ ‘, ‘–..–‘, ‘.-.-.-‘, ‘—–‘,
‘.—-‘, ‘..—‘, ‘…–‘, ‘….-‘,
‘…..’, ‘-….’, ‘–…’, ‘—..’,
‘—-.’, ‘.-‘, ‘-…’, ‘-.-.’, ‘-..’,
‘.’, ‘..-.’, ‘–.’, ‘….’, ‘..’, ‘.—‘,
‘-.-‘, ‘.-..’, ‘–‘, ‘-.’, ‘—‘, ‘.–.’,
‘–.-‘, ‘.-.’, ‘…’, ‘-‘, ‘..-‘, ‘…-‘,
‘.–‘, ‘-..-‘, ‘-.-‘, ‘–..’]
# Get the string as input from the user.
morse_string = input(‘Enter the string to be ‘
‘converted to Morse code: ‘)
# Step through the string, determine each
# character’s Morse code index in the list,
# and display the Morse code for the character.
for ch in morse_string:
# Convert the character to uppercase.
ch = ch.upper()
# Determine the index from the list.
if ch == ‘ ‘:
index = 0
elif ch == ‘,’:
index = 1
elif ch == ‘.’:
index = 2
elif ch == ‘?’:
index = 3
elif ch == ‘0’:
index = 4
elif ch == ‘1’:
index = 5
elif ch == ‘2’:
index = 6
elif ch == ‘3’:
index = 7
elif ch == ‘4’:
index = 8
elif ch == ‘5’:
index = 9
elif ch == ‘6’:
index = 10
elif ch == ‘7’:
index = 11
elif ch == ‘8’:
index = 12
elif ch == ‘9’:
index = 13
elif ch == ‘A’:
index = 14
elif ch == ‘B’:
index = 15
elif ch == ‘C’:
index = 16
elif ch == ‘D’:
index = 17
elif ch == ‘E’:
index = 18
elif ch == ‘F’:
index = 19
elif ch == ‘G’:
index = 20
elif ch == ‘H’:
index = 21
elif ch == ‘I’:
index = 22
elif ch == ‘J’:
index = 23
elif ch == ‘K’:
index = 24
elif ch == ‘L’:
index = 25
elif ch == ‘M’:
index = 26
elif ch == ‘N’:
index = 27
elif ch == ‘O’:
index = 28
elif ch == ‘P’:
index = 29
elif ch == ‘Q’:
index = 30
elif ch == ‘R’:
index = 31
elif ch == ‘S’:
index = 32
elif ch == ‘T’:
index = 33
elif ch == ‘U’:
index = 34
elif ch == ‘V’:
index = 35
elif ch == ‘W’:
index = 36
elif ch == ‘X’:
index = 37
elif ch == ‘Y’:
index = 38
elif ch == ‘Z’:
index = 39
# Display the Morse code for this character.
print (morse_list[index], ‘,’, sep=”, end=”)
# Call the main function.
main()
