calculate simple interest

simple_intrest.py

@@ -0,0 +1,71 @@
+
+import csv
+def get_int(prompt,low):
+
+    returnLoan=int(input(prompt))
+    return returnLoan
+def get_float(prompt,low):
+
+    getFloat=float(input(prompt))
+    return getFloat
+def calculate_simple_interest(principle,interest_rate,year=1):
+        simpleInterest = principle*(interest_rate/100)*year
+        return simpleInterest
+def write_to_csv(file_name,data,col_separator):
+    header=['Loan', 'Rate', 'Time', 'Interest']
+    with open(file_name,"w",newline='\n') as f:
+        writer=csv.writer(f)
+        writer.writerow(header)
+        writer.writerow(data)
+
+def read_and_display(file_name,col_separator=","):
+    r=[]
+    with open(file_name,'r') as f:
+        csvreader=csv.reader(f)
+        flag=0
+        for row in csvreader:
+            if(flag==0):
+                flag=1
+                print(row,"\n")
+            else:
+                for rows in row:
+                    s=''
+                    l=[]
+                    print(rows)
+                    l=list(rows.split(","))
+                    s="The interest on a loan of $"+str(l[0][1:])+" at "+str(l[1])+"% interest rate for "+str(l[2])+" yearsis $"+str(l[3][0:-1])+"."
+                    r.append(s)
+
+    for i in r:
+        print(i)
+    f.close()
+
+
+result=[]
+while(True):
+    while(True):
+        principle=get_int("Please enter the amount of loan:",0)
+        if(principle<=0):
+            print("Entry must be an integer greater than 0 please try again")
+        else:
+            break
+    while(True):
+        interestRate=get_float("Please enter the interest rate:",0)
+        if(interestRate<0):
+            print("Entry must be a floating number greater than 0 Please try again")
+        else:
+            break
+    while(True):
+        year=get_int("Please enter the number of years:",0)
+        if(year<0):
+            print("Entry must be an integer greater than 0 Please try again")
+        else:
+            break
+    result.append([principle,interestRate,year,calculate_simple_interest(principle,interestRate,year)])
+
+    choice=input("Do you want to do another calculation? (y for yes)")
+    if(choice=='n'):
+
+        write_to_csv("simple.CSV",result,",")
+        break
+read_and_display("simple.CSV",",")