python-practice-coursework/day1.py at main · JishnuMadhu/python-practice-coursework · GitHub

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"""print("Hi")
a=20
b = 40
a,b = 30,40
a = b = 10

print(a)"""

"""a = 10
b = 20
c = a
a = b
b = c
print(a)
print(b)
"""
"""a = 10
b = 20
a = a + b
a = a - b
b = a - b
print(a)
print(b)"""

"""a= 10

if a%2 == 0:
    print("even")
else:
    print("odd")"""


"""mark = 50
if mark > 90:
    prin("A")
elif mark > 80:
    print("B")
elif mark > 70:
    print(60)
elif mark > 50:
    print("D")
elif mark > 40:
    print("E")
else:
    print("Fail")"""


#create a grade system
#90-100 A
#80-89 B
#70-79 D
#0-59 F

"""mark = 50
if mark > 90:
    prin("A")
elif mark > 80:
    print("B")
elif mark > 70:
    print(60)
elif mark > 50:
    print("D")
elif mark > 40:
    print("E")
else:
    print("Fail")"""


#check a number is positive or negative or zero

"""num = 100
if num > 0:
    print("Positive")
elif num < 0:
    print("Negative")
else:
    print("Zero")"""


#check a number is even or odd


"""num = 0
if num % 2 == 0:
    print("Even")
else:
    print("Odd")"""


#check a number is divisible by 3 or not

"""num = 99
if num % 3 == 0:
    print("Divisible by 3")
else:
    print("Not divisible by 3")"""

#and operator

""" true and true  = true
    true and false = false
    false and true = false
    false and false = false"""

#or operator

""" true and true  = true
    true and false = false
    false and true = false
    false and false = false"""

#not operator

"""not true = false
   not false = true"""

string1 = '0123456789'
print(string1[-1:-10:-1])