Python program to generate result from subjects with student's info and details

result_maker.py

# Ask for Student's Name, Father's Name, Batch Year and Roll No.
Student_name = input("Enter Your Name: ")
Father_name = input("Enter Your Father's Name: ")
Batch_No = input("Enter Your Batch Year: ")
Roll_No = input(f"Your Roll No: {Batch_No[-2] + Batch_No[-1]}B - ")

print("_____________________________")

# ENGLISH MARKS #
print("\n\tEnglish")

# Forever Loop
while (True):

    # Ask for obtained marks
    eng = eval(input("Marks Obtained (Out of 100): "))

    # If correct input, break the loop
    if eng <= float(100):
        break
    
    # If not correct input, Print Error
    print("Wrong Marks\n")

print("\n")

# PHYSICS MARKS #
print("\tPhysics")

# Forever Loop
while (True):

    # Ask for obtained marks
    phy = eval(input("Marks Obtained (Out of 100): "))

    # If correct input, break the loop
    if phy <= float(100):
        break

    # If not correct input, Print Error
    print("Wrong Marks\n")

print("\n")

# MATHEMATICS MARKS #
print("\tMathematics")

# Forever Loop
while (True):

    # Ask for obtained marks
    math = eval(input("Marks Obtained (Out of 100): "))
    
    # If correct input, break the loop
    if math <= float(100):
        break
    
    # If not correct input, Print Error
    print("Wrong Marks\n")

print("\n")

# CHEMISTRY MARKS #
print("\tChemistry")

# Forever Loop
while (True):

    # Ask for obtained marks
    chem = eval(input("Marks Obtained (Out of 100): "))

    # If correct input, break the loop
    if chem <= float(100):
        break
    
    # If not correct input, Print Error
    print("Wrong Marks\n")

print("\n")

# COMPUTER SCIENCE MARKS #
print("\tComputer Science")

# Forever Loop
while (True):

    # Ask for obtained marks
    comp = eval(input("Marks Obtained (Out of 100): "))
    
    # If correct input, break the loop
    if comp <= float(100):
        break
    
    # If not correct input, Print Error
    print("Wrong Marks\n")

# Calculate Total Marks Obtained
total = eng + phy + math + chem + comp

# Calculate Percentage
percentage = (total / 500) * 100

# String to store grade
grade = ""

# Check for grades
if percentage >= 90:
    grade += "A+"

if percentage < 90 and percentage >= 80:
    grade += "A"

if percentage < 80 and percentage >= 70:
    grade += "B"

if percentage < 70 and percentage >= 60:
    grade += "C"

if percentage < 60 and percentage >= 50:
    grade += "D"

if percentage < 50:
    grade = "F"

# RESULT FOR STUDENT #
# Print Student info
print("\n__________________________________________")
print(f"\tRESULT FOR {Student_name.upper()}")
print("Father's Name: ", Father_name.upper(), f"\nBatch Year: 20{Batch_No[-2] + Batch_No[-1]}" ,f"\nRoll No: {Batch_No[-2] + Batch_No[-1]}B -", Roll_No)
print("\n")

# Print Subject Marks
print("\tMARKS DETAILS")
print(f"English: 100/{eng}")
print(f"Physics: 100/{phy}")
print(f"Mathematics: 100/{math}")
print(f"Chemistry: 100/{chem}")
print(f"Computer Science: 100/{comp}\n")
print("\n")

# Print Total Obtained, Percentage and Grade
print(f"TOTAL MARKS: 500/{total}")
print(f"PERCENTAGE: {percentage}")
print(f"GRADE: {grade}")
print("\n")

print("__________________________________________\n")