Added week 6

week6/ex6.py

@@ -0,0 +1,35 @@
+from decimal import Decimal
+#引入decimal模块是因为python不是默认高精浮点数
+
+def main():
+    print('==Exercise 6==')
+    
+    i = input("Input the temperature you like to convert? (e.g., 45F, 102C etc.) :").lower()
+
+    ins = ""
+    use_celsius = False
+
+    for ii in i:
+        if ii in '1234567890.':
+            ins+=ii
+        elif ii in 'cf':
+            use_celsius = ii == 'c'
+            break
+        else:
+            print(f"Unexcepted char {ii}! Ignored.")
+    if len(ins)!=len(i)-1:
+        print(f"WARNING! content below \'c\' or \'f\' is ignored! (using {ins} {'c' if use_celsius else 'f'})")
+    
+    ins = Decimal(ins)
+    #c/5 = f-32/9
+    #f = c*9/5+32
+    #c = (f-32)*5/9
+    o = ins*9/5+Decimal(32.0) if use_celsius else (ins-Decimal(32.0))*5/9
+
+    print(f"The temperature in {'Fahrenheit' if use_celsius else 'Celsius'} is {o} degrees.")
+
+    print('==End Of Ex6==')
+    return 0
+
+if __name__ == '__main__':
+    main()