Decision Making and loop questions uploaded

Author: StrangeCoder1729

1_decision_making_and_loops/Question1.py

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+#Q1] Python Program to Check if a Number is Positive, Negative or 0
+
+
+ 
+
+
+# from curses.ascii import isalpha
+
+
+def detec(num):
+ if(num == 0):
+ print(num)
+ 
+ elif(num > 0):
+ print("{} is a Positive number".format(num))
+ else:
+ print("{} is a negative number".format(num))
+ 
+ 
+
+num = input("Enter number : ")
+
+num = int(num)
+detec(num)
+
+
+
+
+
+
+
+
+
+# if num.isalpha() == True:
+# print("It's a word")
+# elif num.isnumeric() == True:
+# num = int(num)
+# detec(num)
+# elif num.isalnum() == True:
+# print("This string contains both letters and numbers")
+ 
+

1_decision_making_and_loops/Question10.py

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+# Q10] Python Program to Check Armstrong Number
+
+
+def detec(num,res):
+ 
+ if (num == res):
+ print("It is an Armstrong number")
+ else:
+ print("It is not an Armstrong number")
+
+
+def armstrong(num):
+ num1 = num
+ temp = 0
+ rev = 0
+ add = 0
+ num_count = len(str(num1))
+ while(num > 0):
+ temp = num % 10
+ # rev = rev*10 + temp 
+ add = add + pow(temp,num_count)
+ num = num // 10
+ return add
+
+
+
+num = int(input("Enter number : "))
+
+res = 0
+res = armstrong(num)
+detec(num,res)

1_decision_making_and_loops/Question11.py

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+ 
+
+def armstrong(num):
+ num1 = num
+ temp = 0
+ rev = 0
+ add = 0
+ num_count = len(str(num1))
+ while(num > 0):
+ temp = num % 10
+ # rev = rev*10 + temp 
+ add = add + pow(temp,num_count)
+ num = num // 10
+ 
+ if(num1 == add):
+ return num1
+
+
+
+
+n1 = int(input("Enter n1 : "))
+n2 = int(input("Enter n2 : "))
+
+for i in range(n1,n2):
+ if(armstrong(i) == None):
+ continue
+ print(armstrong(i),end = ' ')
+ 

1_decision_making_and_loops/Question12.py

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+#Q12] Python Program to Find the Sum of Natural Numbers
+
+
+
+n1 = int(input("Enter range 1 : "))
+n2 = int(input("Enter range 2 : "))
+
+if(n1 < 0 or n2 < 0):
+ print("Cant accept negative values")
+ exit()
+if(n1 > n2):
+ temp = 0
+ temp = n1 
+ n1 = n2
+ n2 = temp
+add = 0
+for i in range(n1,n2+1):
+ add +=i
+
+print("Sum of the Natural numbers from {0} to {1} is {2}".format(n1,n2,add))

1_decision_making_and_loops/Question13/Example1.py

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+# Example 1: Program to print half pyramid using *
+"""
+*
+* *
+* * *
+* * * *
+* * * * *
+* * * * * *
+* * * * * * *
+* * * * * * * *
+* * * * * * * * * 
+ n = 10
+"""
+
+n = int(input("Enter rows : "))
+
+for i in range(0,n):
+ for j in range(0,i):
+ print("*",end=' ')
+ print()

1_decision_making_and_loops/Question13/Example2.py

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+# Example 2: Program to print half pyramid a using numbers
+
+"""
+1
+1 2
+1 2 3
+1 2 3 4
+1 2 3 4 5 
+n = 6
+"""
+n = int(input("Enter number of rows : "))
+
+for i in range(0,n):
+ for j in range(0,i):
+ print(j+1,end =' ')
+ print()

1_decision_making_and_loops/Question13/Example3.py

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+# Example 3: Program to print half pyramid using alphabets
+"""
+n = 5
+
+A 
+B B 
+C C C 
+D D D D 
+"""
+n = int(input("Enter number of rows : "))
+
+alpha = 64
+for i in range(0,n):
+ for j in range(0,i):
+ alph = chr(alpha)
+ print(alph,end =' ')
+ alpha +=1
+ print()

1_decision_making_and_loops/Question13/Example4.py

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+# Example 4: Inverted half pyramid using *
+
+"""
+n = 5
+* * * * * 
+* * * *
+* * *
+* *
+*
+"""
+n = int(input("Enter number of rows : "))
+
+for i in range(0,n):
+ for j in range(0,n-i):
+ print("*",end=' ')
+ print()

1_decision_making_and_loops/Question13/Example5.py

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+# Example 5: Inverted half pyramid using numbers
+"""
+n = 5
+1 2 3 4 5 
+1 2 3 4
+1 2 3
+1 2
+1
+"""
+n = int(input("Enter number of rows : "))
+
+for i in range(0,n):
+ for j in range(0,n-i):
+ print(j+1,end=' ')
+ print()

1_decision_making_and_loops/Question13/Example6.py

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+# Example 6: Program to print full pyramid using *
+"""
+n = 5
+ *
+ * *
+ * * *
+ * * * *
+"""
+n = int(input("Enter number of rows : "))
+ 
+for i in range(0,n):
+ for j in range(i,n):
+ print(" ",end ='')
+ for k in range(0,i):
+ print("* ",end='')
+ print()
+