Merge pull request #5605 from jduque1989/main

Reto#28 #29 #30 #32 - jduque1989 - Python

Retos/Reto #28 - EXPRESIÓN MATEMÁTICA [Media]/python/jduque1989.py

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+numbers = str(list(range(0, 10)))
+operations = ["+", "-", "*", "/"]
+
+# Function to evaluate the expression in operations
+
+
+def math_expression(digit):
+    if digit in operations:
+        return True
+    else:
+        return False
+
+# Function to evaluate the expression in numbers
+
+
+def number_expression(digit):
+    if digit in numbers:
+        return True
+    else:
+        return False
+
+
+def evaluate(expression):
+    number_expression(expression[0])
+
+    for i in expression:
+        if math_expression(i) or number_expression(i) or i == " ":
+            continue
+        else:
+            return False
+    return True
+
+
+expresion1 = "5 + a / 7 - 4"
+
+print(f"La expresion {expresion1} es: {evaluate(expresion1)}")

Retos/Reto #29 - EL CARÁCTER INFILTRADO [Fácil]/python/jduque1989.py

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+
+
+def comparar_cadenas(cadena1, cadena2):
+    if len(cadena1) == len(cadena2):
+        print("Las cadenas tienen la misma longitud")
+        return True
+    else:
+        print("Las cadenas tienen diferentes longitudes")
+        return False
+
+
+def comparar_caracteres(cadena1, cadena2):
+    ch = []
+    for index, letter in enumerate(cadena2):
+        if letter != cadena1[index]:
+            ch.append(letter)
+    return ch
+
+# Test 1
+
+# cadena1 = "Me llamo Juan Duque"
+# cadena2 = "Me llame Juan Doque"
+
+
+# Test 2
+cadena1 = "Me llamo.Brais Moure"
+cadena2 = "Me llamo brais moure"
+
+comparar_cadenas(cadena1, cadena2)
+diferentes_caracteres = comparar_caracteres(cadena1, cadena2)
+print(f"Las cadenas no tienen los mismos caracteres {diferentes_caracteres}")

Retos/Reto #30 - EL TECLADO T9 [Media]/python/jduque1989.py

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+# T9 dictionary
+
+t9_mapping = {
+    1: ['.', ','],
+    2: ['A', 'B', 'C'],
+    3: ['D', 'E', 'F'],
+    4: ['G', 'H', 'I'],
+    5: ['J', 'K', 'L'],
+    6: ['M', 'N', 'O'],
+    7: ['P', 'Q', 'R', 'S'],
+    8: ['T', 'U', 'V'],
+    9: ['W', 'X', 'Y', 'Z'],
+    0: [' '],
+    '*': ['+', '-', '*', '/'],
+    '#': ['?', '!', '@']
+}
+
+
+def t9_to_letters(t9_number):
+    length = len(t9_number) - 1
+    index = int(t9_number[0])
+    letter = t9_mapping[index][length]
+    return letter
+
+
+Entrada = "6-666-88-777-33-3-33-888"  # 666-666-88-777-33-3-33-888
+letters = Entrada.split("-")
+t9_to_letters(letters[0])
+
+word = []
+for i in letters:
+    word.append(t9_to_letters(i))
+
+print(''.join(word))

Retos/Reto #32 - LA COLUMNA DE EXCEL [Media]/python/jduque1989.py

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+# Transform letters to numbers for example A=1 and Z=26
+
+# get AA = 27
+
+def is_valid_column(column):
+    """Check if the input is a valid column string."""
+    return column.isalpha()
+
+
+def ask_column():
+    column = input("Enter a column: ").upper().strip()
+    while not is_valid_column(column):
+        column = input("Enter a valid column: ").upper().strip()
+    return len(column), column
+
+
+def letter_to_number(ch):
+    return ord(ch) - ord('A') + 1
+
+
+size, ch = ask_column()
+
+
+suma = 0
+for index, letter in enumerate(ch):
+    number = letter_to_number(letter)
+    number = number * (26 ** (size - index - 1))
+    print(number)
+    suma += number
+    # print(suma)
+
+print(f"{ch} = {suma}")